Finding the Fourth Proportional to 1,031,139.64, 1,547,321.82 and 557,814.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,031,139.64 : 1,547,321.82 = 557,814.52 : x
2. Step 2: Convert to fraction form
   1,031,139.64/1,547,321.82 = 557,814.52/x
3. Step 3: Cross multiply
   1,031,139.64x = 1,547,321.82 × 557,814.52
4. Step 4: Simplify right side
   1,031,139.64x = 863,118,578,308.83
5. Step 5: Solve for x
   x = 863,118,578,308.83/1,031,139.64
6. Step 6: Final answer
   x = 837,053.05