Finding the Fourth Proportional to 532,978.09, 735,584.79 and 339,323.95

Step by Step Solution

1. Step 1: Write the proportion equation
   532,978.09 : 735,584.79 = 339,323.95 : x
2. Step 2: Convert to fraction form
   532,978.09/735,584.79 = 339,323.95/x
3. Step 3: Cross multiply
   532,978.09x = 735,584.79 × 339,323.95
4. Step 4: Simplify right side
   532,978.09x = 249,601,536,502.72
5. Step 5: Solve for x
   x = 249,601,536,502.72/532,978.09
6. Step 6: Final answer
   x = 468,314.82