Finding the Fourth Proportional to 1,139,511.31, 1,572,184.17 and 656,064.02

Step by Step Solution

1. Step 1: Write the proportion equation
   1,139,511.31 : 1,572,184.17 = 656,064.02 : x
2. Step 2: Convert to fraction form
   1,139,511.31/1,572,184.17 = 656,064.02/x
3. Step 3: Cross multiply
   1,139,511.31x = 1,572,184.17 × 656,064.02
4. Step 4: Simplify right side
   1,139,511.31x = 1,031,453,470,681.02
5. Step 5: Solve for x
   x = 1,031,453,470,681.02/1,139,511.31
6. Step 6: Final answer
   x = 905,171.77