Finding the Fourth Proportional to 78,402.92, 108,191.93 and 42,592.82

Step by Step Solution

1. Step 1: Write the proportion equation
   78,402.92 : 108,191.93 = 42,592.82 : x
2. Step 2: Convert to fraction form
   78,402.92/108,191.93 = 42,592.82/x
3. Step 3: Cross multiply
   78,402.92x = 108,191.93 × 42,592.82
4. Step 4: Simplify right side
   78,402.92x = 4,608,198,646.02
5. Step 5: Solve for x
   x = 4,608,198,646.02/78,402.92
6. Step 6: Final answer
   x = 58,775.86