Finding the Fourth Proportional to 112,191.27, 168,243.17 and 42,032.31

Step by Step Solution

1. Step 1: Write the proportion equation
   112,191.27 : 168,243.17 = 42,032.31 : x
2. Step 2: Convert to fraction form
   112,191.27/168,243.17 = 42,032.31/x
3. Step 3: Cross multiply
   112,191.27x = 168,243.17 × 42,032.31
4. Step 4: Simplify right side
   112,191.27x = 7,071,648,866.66
5. Step 5: Solve for x
   x = 7,071,648,866.66/112,191.27
6. Step 6: Final answer
   x = 63,032.08