Finding the Fourth Proportional to 514,099.34, 709,465.86 and 281,546.72

Step by Step Solution

1. Step 1: Write the proportion equation
   514,099.34 : 709,465.86 = 281,546.72 : x
2. Step 2: Convert to fraction form
   514,099.34/709,465.86 = 281,546.72/x
3. Step 3: Cross multiply
   514,099.34x = 709,465.86 × 281,546.72
4. Step 4: Simplify right side
   514,099.34x = 199,747,785,834.98
5. Step 5: Solve for x
   x = 199,747,785,834.98/514,099.34
6. Step 6: Final answer
   x = 388,539.28