Finding the Fourth Proportional to 71,047,856.78, 98,142,006.06 and 53,539,107.31

Step by Step Solution

1. Step 1: Write the proportion equation
   71,047,856.78 : 98,142,006.06 = 53,539,107.31 : x
2. Step 2: Convert to fraction form
   71,047,856.78/98,142,006.06 = 53,539,107.31/x
3. Step 3: Cross multiply
   71,047,856.78x = 98,142,006.06 × 53,539,107.31
4. Step 4: Simplify right side
   71,047,856.78x = 5,254,435,394,388,460
5. Step 5: Solve for x
   x = 5,254,435,394,388,460/71,047,856.78
6. Step 6: Final answer
   x = 73,956,282.89