Finding the Fourth Proportional to 514,875.76, 710,384.59 and 405,641.00

Step by Step Solution

1. Step 1: Write the proportion equation
   514,875.76 : 710,384.59 = 405,641.00 : x
2. Step 2: Convert to fraction form
   514,875.76/710,384.59 = 405,641.00/x
3. Step 3: Cross multiply
   514,875.76x = 710,384.59 × 405,641.00
4. Step 4: Simplify right side
   514,875.76x = 288,161,114,759.72
5. Step 5: Solve for x
   x = 288,161,114,759.72/514,875.76
6. Step 6: Final answer
   x = 559,671.17