Finding the Fourth Proportional to 42,018.08, 63,008.42 and 22,292.15

Step by Step Solution

1. Step 1: Write the proportion equation
   42,018.08 : 63,008.42 = 22,292.15 : x
2. Step 2: Convert to fraction form
   42,018.08/63,008.42 = 22,292.15/x
3. Step 3: Cross multiply
   42,018.08x = 63,008.42 × 22,292.15
4. Step 4: Simplify right side
   42,018.08x = 1,404,592,723.40
5. Step 5: Solve for x
   x = 1,404,592,723.40/42,018.08
6. Step 6: Final answer
   x = 33,428.30