Finding the Fourth Proportional to 42,108.16, 63,176.96 and 28,124.16

Step by Step Solution

1. Step 1: Write the proportion equation
   42,108.16 : 63,176.96 = 28,124.16 : x
2. Step 2: Convert to fraction form
   42,108.16/63,176.96 = 28,124.16/x
3. Step 3: Cross multiply
   42,108.16x = 63,176.96 × 28,124.16
4. Step 4: Simplify right side
   42,108.16x = 1,776,798,931.35
5. Step 5: Solve for x
   x = 1,776,798,931.35/42,108.16
6. Step 6: Final answer
   x = 42,196.07