Finding the Fourth Proportional to 78,462.76, 108,279.30 and 42,652.82

Step by Step Solution

1. Step 1: Write the proportion equation
   78,462.76 : 108,279.30 = 42,652.82 : x
2. Step 2: Convert to fraction form
   78,462.76/108,279.30 = 42,652.82/x
3. Step 3: Cross multiply
   78,462.76x = 108,279.30 × 42,652.82
4. Step 4: Simplify right side
   78,462.76x = 4,618,417,279.36
5. Step 5: Solve for x
   x = 4,618,417,279.36/78,462.76
6. Step 6: Final answer
   x = 58,861.27