Finding the Fourth Proportional to 99,156,607.10, 136,839,440.77 and 55,105,462.61

Step by Step Solution

1. Step 1: Write the proportion equation
   99,156,607.10 : 136,839,440.77 = 55,105,462.61 : x
2. Step 2: Convert to fraction form
   99,156,607.10/136,839,440.77 = 55,105,462.61/x
3. Step 3: Cross multiply
   99,156,607.10x = 136,839,440.77 × 55,105,462.61
4. Step 4: Simplify right side
   99,156,607.10x = 7,540,600,686,102,584
5. Step 5: Solve for x
   x = 7,540,600,686,102,584/99,156,607.10
6. Step 6: Final answer
   x = 76,047,385.11