Finding the Fourth Proportional to 1,055,131.48, 1,456,079.41 and 571,709.71

Step by Step Solution

1. Step 1: Write the proportion equation
   1,055,131.48 : 1,456,079.41 = 571,709.71 : x
2. Step 2: Convert to fraction form
   1,055,131.48/1,456,079.41 = 571,709.71/x
3. Step 3: Cross multiply
   1,055,131.48x = 1,456,079.41 × 571,709.71
4. Step 4: Simplify right side
   1,055,131.48x = 832,454,734,369.52
5. Step 5: Solve for x
   x = 832,454,734,369.52/1,055,131.48
6. Step 6: Final answer
   x = 788,958.30