Finding the Fourth Proportional to 42,152.88, 63,210.60 and 22,427.28

Step by Step Solution

1. Step 1: Write the proportion equation
   42,152.88 : 63,210.60 = 22,427.28 : x
2. Step 2: Convert to fraction form
   42,152.88/63,210.60 = 22,427.28/x
3. Step 3: Cross multiply
   42,152.88x = 63,210.60 × 22,427.28
4. Step 4: Simplify right side
   42,152.88x = 1,417,641,825.17
5. Step 5: Solve for x
   x = 1,417,641,825.17/42,152.88
6. Step 6: Final answer
   x = 33,630.96