Finding the Fourth Proportional to 479,499,005.52, 661,708,605.96 and 259,482,437.52

Step by Step Solution

1. Step 1: Write the proportion equation
   479,499,005.52 : 661,708,605.96 = 259,482,437.52 : x
2. Step 2: Convert to fraction form
   479,499,005.52/661,708,605.96 = 259,482,437.52/x
3. Step 3: Cross multiply
   479,499,005.52x = 661,708,605.96 × 259,482,437.52
4. Step 4: Simplify right side
   479,499,005.52x = 171,701,762,002,462,016
5. Step 5: Solve for x
   x = 171,701,762,002,462,016/479,499,005.52
6. Step 6: Final answer
   x = 358,085,752.06