Finding the Fourth Proportional to 953,300.57, 1,315,005.59 and 571,105.91

Step by Step Solution

1. Step 1: Write the proportion equation
   953,300.57 : 1,315,005.59 = 571,105.91 : x
2. Step 2: Convert to fraction form
   953,300.57/1,315,005.59 = 571,105.91/x
3. Step 3: Cross multiply
   953,300.57x = 1,315,005.59 × 571,105.91
4. Step 4: Simplify right side
   953,300.57x = 751,007,454,701.48
5. Step 5: Solve for x
   x = 751,007,454,701.48/953,300.57
6. Step 6: Final answer
   x = 787,797.14