Finding the Fourth Proportional to 851,080.61, 1,174,477.24 and 469,142.93

Step by Step Solution

1. Step 1: Write the proportion equation
   851,080.61 : 1,174,477.24 = 469,142.93 : x
2. Step 2: Convert to fraction form
   851,080.61/1,174,477.24 = 469,142.93/x
3. Step 3: Cross multiply
   851,080.61x = 1,174,477.24 × 469,142.93
4. Step 4: Simplify right side
   851,080.61x = 550,997,693,591.91
5. Step 5: Solve for x
   x = 550,997,693,591.91/851,080.61
6. Step 6: Final answer
   x = 647,409.53