Finding the Fourth Proportional to 452,665,290.72, 624,683,654.98 and 274,046,752.74

Step by Step Solution

1. Step 1: Write the proportion equation
   452,665,290.72 : 624,683,654.98 = 274,046,752.74 : x
2. Step 2: Convert to fraction form
   452,665,290.72/624,683,654.98 = 274,046,752.74/x
3. Step 3: Cross multiply
   452,665,290.72x = 624,683,654.98 × 274,046,752.74
4. Step 4: Simplify right side
   452,665,290.72x = 171,192,527,137,023,552
5. Step 5: Solve for x
   x = 171,192,527,137,023,552/452,665,290.72
6. Step 6: Final answer
   x = 378,187,881.08