Finding the Fourth Proportional to 851,082.99, 1,174,480.50 and 469,145.31

Step by Step Solution

1. Step 1: Write the proportion equation
   851,082.99 : 1,174,480.50 = 469,145.31 : x
2. Step 2: Convert to fraction form
   851,082.99/1,174,480.50 = 469,145.31/x
3. Step 3: Cross multiply
   851,082.99x = 1,174,480.50 × 469,145.31
4. Step 4: Simplify right side
   851,082.99x = 551,002,018,261.46
5. Step 5: Solve for x
   x = 551,002,018,261.46/851,082.99
6. Step 6: Final answer
   x = 647,412.80