Finding the Fourth Proportional to 463,280,196.72, 694,919,737.50 and 118,233,860.61

Step by Step Solution

1. Step 1: Write the proportion equation
   463,280,196.72 : 694,919,737.50 = 118,233,860.61 : x
2. Step 2: Convert to fraction form
   463,280,196.72/694,919,737.50 = 118,233,860.61/x
3. Step 3: Cross multiply
   463,280,196.72x = 694,919,737.50 × 118,233,860.61
4. Step 4: Simplify right side
   463,280,196.72x = 82,163,043,378,712,784
5. Step 5: Solve for x
   x = 82,163,043,378,712,784/463,280,196.72
6. Step 6: Final answer
   x = 177,350,648.61