Finding the Fourth Proportional to 78,546.96, 108,393.76 and 42,736.24

Step by Step Solution

1. Step 1: Write the proportion equation
   78,546.96 : 108,393.76 = 42,736.24 : x
2. Step 2: Convert to fraction form
   78,546.96/108,393.76 = 42,736.24/x
3. Step 3: Cross multiply
   78,546.96x = 108,393.76 × 42,736.24
4. Step 4: Simplify right side
   78,546.96x = 4,632,341,741.86
5. Step 5: Solve for x
   x = 4,632,341,741.86/78,546.96
6. Step 6: Final answer
   x = 58,975.44