Finding the Fourth Proportional to 904,766,160.18, 1,248,678,402.72 and 547,730,658.20

Step by Step Solution

1. Step 1: Write the proportion equation
   904,766,160.18 : 1,248,678,402.72 = 547,730,658.20 : x
2. Step 2: Convert to fraction form
   904,766,160.18/1,248,678,402.72 = 547,730,658.20/x
3. Step 3: Cross multiply
   904,766,160.18x = 1,248,678,402.72 × 547,730,658.20
4. Step 4: Simplify right side
   904,766,160.18x = 683,939,443,401,950,336
5. Step 5: Solve for x
   x = 683,939,443,401,950,336/904,766,160.18
6. Step 6: Final answer
   x = 755,929,513.62