Finding the Fourth Proportional to 71,636,789.88, 98,859,103.56 and 40,698,656.82

Step by Step Solution

1. Step 1: Write the proportion equation
   71,636,789.88 : 98,859,103.56 = 40,698,656.82 : x
2. Step 2: Convert to fraction form
   71,636,789.88/98,859,103.56 = 40,698,656.82/x
3. Step 3: Cross multiply
   71,636,789.88x = 98,859,103.56 × 40,698,656.82
4. Step 4: Simplify right side
   71,636,789.88x = 4,023,432,729,321,280.50
5. Step 5: Solve for x
   x = 4,023,432,729,321,280.50/71,636,789.88
6. Step 6: Final answer
   x = 56,164,335.90