Finding the Fourth Proportional to 256,042,890.42, 383,676,381.27 and 169,471,151.52

Step by Step Solution

1. Step 1: Write the proportion equation
   256,042,890.42 : 383,676,381.27 = 169,471,151.52 : x
2. Step 2: Convert to fraction form
   256,042,890.42/383,676,381.27 = 169,471,151.52/x
3. Step 3: Cross multiply
   256,042,890.42x = 383,676,381.27 × 169,471,151.52
4. Step 4: Simplify right side
   256,042,890.42x = 65,022,078,144,853,464
5. Step 5: Solve for x
   x = 65,022,078,144,853,464/256,042,890.42
6. Step 6: Final answer
   x = 253,949,945.80