Finding the Fourth Proportional to 72,006,346.39, 107,965,779.51 and 28,234,662.08

Step by Step Solution

1. Step 1: Write the proportion equation
   72,006,346.39 : 107,965,779.51 = 28,234,662.08 : x
2. Step 2: Convert to fraction form
   72,006,346.39/107,965,779.51 = 28,234,662.08/x
3. Step 3: Cross multiply
   72,006,346.39x = 107,965,779.51 × 28,234,662.08
4. Step 4: Simplify right side
   72,006,346.39x = 3,048,377,300,076,010
5. Step 5: Solve for x
   x = 3,048,377,300,076,010/72,006,346.39
6. Step 6: Final answer
   x = 42,334,842.04