Finding the Fourth Proportional to 78,277.60, 108,023.52 and 42,467.68

Step by Step Solution

1. Step 1: Write the proportion equation
   78,277.60 : 108,023.52 = 42,467.68 : x
2. Step 2: Convert to fraction form
   78,277.60/108,023.52 = 42,467.68/x
3. Step 3: Cross multiply
   78,277.60x = 108,023.52 × 42,467.68
4. Step 4: Simplify right side
   78,277.60x = 4,587,508,279.83
5. Step 5: Solve for x
   x = 4,587,508,279.83/78,277.60
6. Step 6: Final answer
   x = 58,605.63