Finding the Fourth Proportional to 404,141,049.34, 557,714,759.18 and 223,088,140.78

Step by Step Solution

1. Step 1: Write the proportion equation
   404,141,049.34 : 557,714,759.18 = 223,088,140.78 : x
2. Step 2: Convert to fraction form
   404,141,049.34/557,714,759.18 = 223,088,140.78/x
3. Step 3: Cross multiply
   404,141,049.34x = 557,714,759.18 × 223,088,140.78
4. Step 4: Simplify right side
   404,141,049.34x = 124,419,548,711,031,632
5. Step 5: Solve for x
   x = 124,419,548,711,031,632/404,141,049.34
6. Step 6: Final answer
   x = 307,861,695.60