Finding the Fourth Proportional to 78,326.45, 108,092.46 and 42,516.42

Step by Step Solution

1. Step 1: Write the proportion equation
   78,326.45 : 108,092.46 = 42,516.42 : x
2. Step 2: Convert to fraction form
   78,326.45/108,092.46 = 42,516.42/x
3. Step 3: Cross multiply
   78,326.45x = 108,092.46 × 42,516.42
4. Step 4: Simplify right side
   78,326.45x = 4,595,704,428.19
5. Step 5: Solve for x
   x = 4,595,704,428.19/78,326.45
6. Step 6: Final answer
   x = 58,673.72