Finding the Fourth Proportional to 78,303.11, 108,059.06 and 42,493.41

Step by Step Solution

1. Step 1: Write the proportion equation
   78,303.11 : 108,059.06 = 42,493.41 : x
2. Step 2: Convert to fraction form
   78,303.11/108,059.06 = 42,493.41/x
3. Step 3: Cross multiply
   78,303.11x = 108,059.06 × 42,493.41
4. Step 4: Simplify right side
   78,303.11x = 4,591,798,047.03
5. Step 5: Solve for x
   x = 4,591,798,047.03/78,303.11
6. Step 6: Final answer
   x = 58,641.33