Finding the Fourth Proportional to 102,155,462.52, 140,977,515.45 and 55,748,705.58

Step by Step Solution

1. Step 1: Write the proportion equation
   102,155,462.52 : 140,977,515.45 = 55,748,705.58 : x
2. Step 2: Convert to fraction form
   102,155,462.52/140,977,515.45 = 55,748,705.58/x
3. Step 3: Cross multiply
   102,155,462.52x = 140,977,515.45 × 55,748,705.58
4. Step 4: Simplify right side
   102,155,462.52x = 7,859,314,002,221,950
5. Step 5: Solve for x
   x = 7,859,314,002,221,950/102,155,462.52
6. Step 6: Final answer
   x = 76,934,838.42