Finding the Fourth Proportional to 1,359,746.88, 2,039,328.72 and 560,821.20

Step by Step Solution

1. Step 1: Write the proportion equation
   1,359,746.88 : 2,039,328.72 = 560,821.20 : x
2. Step 2: Convert to fraction form
   1,359,746.88/2,039,328.72 = 560,821.20/x
3. Step 3: Cross multiply
   1,359,746.88x = 2,039,328.72 × 560,821.20
4. Step 4: Simplify right side
   1,359,746.88x = 1,143,698,779,944.86
5. Step 5: Solve for x
   x = 1,143,698,779,944.86/1,359,746.88
6. Step 6: Final answer
   x = 841,111.53