Finding the Fourth Proportional to 78,118.01, 107,803.27 and 42,308.11

Step by Step Solution

1. Step 1: Write the proportion equation
   78,118.01 : 107,803.27 = 42,308.11 : x
2. Step 2: Convert to fraction form
   78,118.01/107,803.27 = 42,308.11/x
3. Step 3: Cross multiply
   78,118.01x = 107,803.27 × 42,308.11
4. Step 4: Simplify right side
   78,118.01x = 4,560,952,605.52
5. Step 5: Solve for x
   x = 4,560,952,605.52/78,118.01
6. Step 6: Final answer
   x = 58,385.42