Finding the Fourth Proportional to 479,710,798.72, 662,001,123.72 and 259,694,224.72

Step by Step Solution

1. Step 1: Write the proportion equation
   479,710,798.72 : 662,001,123.72 = 259,694,224.72 : x
2. Step 2: Convert to fraction form
   479,710,798.72/662,001,123.72 = 259,694,224.72/x
3. Step 3: Cross multiply
   479,710,798.72x = 662,001,123.72 × 259,694,224.72
4. Step 4: Simplify right side
   479,710,798.72x = 171,917,868,588,234,208
5. Step 5: Solve for x
   x = 171,917,868,588,234,208/479,710,798.72
6. Step 6: Final answer
   x = 358,378,150.02