Finding the Fourth Proportional to 42,018.32, 62,988.52 and 15,703.04

Step by Step Solution

1. Step 1: Write the proportion equation
   42,018.32 : 62,988.52 = 15,703.04 : x
2. Step 2: Convert to fraction form
   42,018.32/62,988.52 = 15,703.04/x
3. Step 3: Cross multiply
   42,018.32x = 62,988.52 × 15,703.04
4. Step 4: Simplify right side
   42,018.32x = 989,111,249.10
5. Step 5: Solve for x
   x = 989,111,249.10/42,018.32
6. Step 6: Final answer
   x = 23,540.00