Finding the Fourth Proportional to 102,165,139.58, 140,985,925.25 and 55,755,725.63

Step by Step Solution

1. Step 1: Write the proportion equation
   102,165,139.58 : 140,985,925.25 = 55,755,725.63 : x
2. Step 2: Convert to fraction form
   102,165,139.58/140,985,925.25 = 55,755,725.63/x
3. Step 3: Cross multiply
   102,165,139.58x = 140,985,925.25 × 55,755,725.63
4. Step 4: Simplify right side
   102,165,139.58x = 7,860,772,564,946,981
5. Step 5: Solve for x
   x = 7,860,772,564,946,981/102,165,139.58
6. Step 6: Final answer
   x = 76,941,827.69