Finding the Fourth Proportional to 47,403.12, 70,895.54 and 42,174.83

Step by Step Solution

1. Step 1: Write the proportion equation
   47,403.12 : 70,895.54 = 42,174.83 : x
2. Step 2: Convert to fraction form
   47,403.12/70,895.54 = 42,174.83/x
3. Step 3: Cross multiply
   47,403.12x = 70,895.54 × 42,174.83
4. Step 4: Simplify right side
   47,403.12x = 2,990,006,781.91
5. Step 5: Solve for x
   x = 2,990,006,781.91/47,403.12
6. Step 6: Final answer
   x = 63,076.16