Finding the Fourth Proportional to 514,061.88, 709,398.06 and 284,597.16

Step by Step Solution

1. Step 1: Write the proportion equation
   514,061.88 : 709,398.06 = 284,597.16 : x
2. Step 2: Convert to fraction form
   514,061.88/709,398.06 = 284,597.16/x
3. Step 3: Cross multiply
   514,061.88x = 709,398.06 × 284,597.16
4. Step 4: Simplify right side
   514,061.88x = 201,892,673,185.51
5. Step 5: Solve for x
   x = 201,892,673,185.51/514,061.88
6. Step 6: Final answer
   x = 392,740.02