Finding the Fourth Proportional to 1,354,940.29, 2,030,638.69 and 555,285.61

Step by Step Solution

1. Step 1: Write the proportion equation
   1,354,940.29 : 2,030,638.69 = 555,285.61 : x
2. Step 2: Convert to fraction form
   1,354,940.29/2,030,638.69 = 555,285.61/x
3. Step 3: Cross multiply
   1,354,940.29x = 2,030,638.69 × 555,285.61
4. Step 4: Simplify right side
   1,354,940.29x = 1,127,584,443,666.25
5. Step 5: Solve for x
   x = 1,127,584,443,666.25/1,354,940.29
6. Step 6: Final answer
   x = 832,202.31