Finding the Fourth Proportional to 78,445.23, 108,254.42 and 42,635.23

Step by Step Solution

1. Step 1: Write the proportion equation
   78,445.23 : 108,254.42 = 42,635.23 : x
2. Step 2: Convert to fraction form
   78,445.23/108,254.42 = 42,635.23/x
3. Step 3: Cross multiply
   78,445.23x = 108,254.42 × 42,635.23
4. Step 4: Simplify right side
   78,445.23x = 4,615,452,095.22
5. Step 5: Solve for x
   x = 4,615,452,095.22/78,445.23
6. Step 6: Final answer
   x = 58,836.62