Finding the Fourth Proportional to 859,443.75, 1,186,053.48 and 472,256.01

Step by Step Solution

1. Step 1: Write the proportion equation
   859,443.75 : 1,186,053.48 = 472,256.01 : x
2. Step 2: Convert to fraction form
   859,443.75/1,186,053.48 = 472,256.01/x
3. Step 3: Cross multiply
   859,443.75x = 1,186,053.48 × 472,256.01
4. Step 4: Simplify right side
   859,443.75x = 560,120,884,111.42
5. Step 5: Solve for x
   x = 560,120,884,111.42/859,443.75
6. Step 6: Final answer
   x = 651,724.89