Finding the Fourth Proportional to 78,602.71, 108,474.01 and 42,793.33

Step by Step Solution

1. Step 1: Write the proportion equation
   78,602.71 : 108,474.01 = 42,793.33 : x
2. Step 2: Convert to fraction form
   78,602.71/108,474.01 = 42,793.33/x
3. Step 3: Cross multiply
   78,602.71x = 108,474.01 × 42,793.33
4. Step 4: Simplify right side
   78,602.71x = 4,641,964,106.35
5. Step 5: Solve for x
   x = 4,641,964,106.35/78,602.71
6. Step 6: Final answer
   x = 59,056.03