Finding the Fourth Proportional to 400,253,590.89, 552,355,596.42 and 230,614,073.91

Step by Step Solution

1. Step 1: Write the proportion equation
   400,253,590.89 : 552,355,596.42 = 230,614,073.91 : x
2. Step 2: Convert to fraction form
   400,253,590.89/552,355,596.42 = 230,614,073.91/x
3. Step 3: Cross multiply
   400,253,590.89x = 552,355,596.42 × 230,614,073.91
4. Step 4: Simplify right side
   400,253,590.89x = 127,380,974,337,404,000
5. Step 5: Solve for x
   x = 127,380,974,337,404,000/400,253,590.89
6. Step 6: Final answer
   x = 318,250,672.17