Finding the Fourth Proportional to 850,891.35, 1,174,288.17 and 519,889.02

Step by Step Solution

1. Step 1: Write the proportion equation
   850,891.35 : 1,174,288.17 = 519,889.02 : x
2. Step 2: Convert to fraction form
   850,891.35/1,174,288.17 = 519,889.02/x
3. Step 3: Cross multiply
   850,891.35x = 1,174,288.17 × 519,889.02
4. Step 4: Simplify right side
   850,891.35x = 610,499,525,898.89
5. Step 5: Solve for x
   x = 610,499,525,898.89/850,891.35
6. Step 6: Final answer
   x = 717,482.35