Finding the Fourth Proportional to 32,643,003.88, 45,028,638.61 and 20,398,603.24

Step by Step Solution

1. Step 1: Write the proportion equation
   32,643,003.88 : 45,028,638.61 = 20,398,603.24 : x
2. Step 2: Convert to fraction form
   32,643,003.88/45,028,638.61 = 20,398,603.24/x
3. Step 3: Cross multiply
   32,643,003.88x = 45,028,638.61 × 20,398,603.24
4. Step 4: Simplify right side
   32,643,003.88x = 918,521,333,442,735
5. Step 5: Solve for x
   x = 918,521,333,442,735/32,643,003.88
6. Step 6: Final answer
   x = 28,138,382.63