Finding the Fourth Proportional to 1,146,890.74, 1,582,619.57 and 637,562.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,146,890.74 : 1,582,619.57 = 637,562.10 : x
2. Step 2: Convert to fraction form
   1,146,890.74/1,582,619.57 = 637,562.10/x
3. Step 3: Cross multiply
   1,146,890.74x = 1,582,619.57 × 637,562.10
4. Step 4: Simplify right side
   1,146,890.74x = 1,009,018,256,550.30
5. Step 5: Solve for x
   x = 1,009,018,256,550.30/1,146,890.74
6. Step 6: Final answer
   x = 879,785.86