Finding the Fourth Proportional to 78,326.31, 108,092.22 and 42,516.22

Step by Step Solution

1. Step 1: Write the proportion equation
   78,326.31 : 108,092.22 = 42,516.22 : x
2. Step 2: Convert to fraction form
   78,326.31/108,092.22 = 42,516.22/x
3. Step 3: Cross multiply
   78,326.31x = 108,092.22 × 42,516.22
4. Step 4: Simplify right side
   78,326.31x = 4,595,672,605.81
5. Step 5: Solve for x
   x = 4,595,672,605.81/78,326.31
6. Step 6: Final answer
   x = 58,673.42