Finding the Fourth Proportional to 37,405,118,397.24, 56,114,896,329.09 and 12,216,063,504.72

Step by Step Solution

1. Step 1: Write the proportion equation
   37,405,118,397.24 : 56,114,896,329.09 = 12,216,063,504.72 : x
2. Step 2: Convert to fraction form
   37,405,118,397.24/56,114,896,329.09 = 12,216,063,504.72/x
3. Step 3: Cross multiply
   37,405,118,397.24x = 56,114,896,329.09 × 12,216,063,504.72
4. Step 4: Simplify right side
   37,405,118,397.24x = 685,503,137,116,942,499,840
5. Step 5: Solve for x
   x = 685,503,137,116,942,499,840/37,405,118,397.24
6. Step 6: Final answer
   x = 18,326,452,808.86