Finding the Fourth Proportional to 78,602.96, 108,472.74 and 42,793.22

Step by Step Solution

1. Step 1: Write the proportion equation
   78,602.96 : 108,472.74 = 42,793.22 : x
2. Step 2: Convert to fraction form
   78,602.96/108,472.74 = 42,793.22/x
3. Step 3: Cross multiply
   78,602.96x = 108,472.74 × 42,793.22
4. Step 4: Simplify right side
   78,602.96x = 4,641,897,826.82
5. Step 5: Solve for x
   x = 4,641,897,826.82/78,602.96
6. Step 6: Final answer
   x = 59,055.00