Finding the Fourth Proportional to 37,453,505,967.18, 56,140,932,141.72 and 12,601,539,165.42

Step by Step Solution

1. Step 1: Write the proportion equation
   37,453,505,967.18 : 56,140,932,141.72 = 12,601,539,165.42 : x
2. Step 2: Convert to fraction form
   37,453,505,967.18/56,140,932,141.72 = 12,601,539,165.42/x
3. Step 3: Cross multiply
   37,453,505,967.18x = 56,140,932,141.72 × 12,601,539,165.42
4. Step 4: Simplify right side
   37,453,505,967.18x = 707,462,155,167,071,076,352
5. Step 5: Solve for x
   x = 707,462,155,167,071,076,352/37,453,505,967.18
6. Step 6: Final answer
   x = 18,889,076,920.78