Finding the Fourth Proportional to 78,384.60, 108,168.54 and 42,573.42

Step by Step Solution

1. Step 1: Write the proportion equation
   78,384.60 : 108,168.54 = 42,573.42 : x
2. Step 2: Convert to fraction form
   78,384.60/108,168.54 = 42,573.42/x
3. Step 3: Cross multiply
   78,384.60x = 108,168.54 × 42,573.42
4. Step 4: Simplify right side
   78,384.60x = 4,605,104,684.21
5. Step 5: Solve for x
   x = 4,605,104,684.21/78,384.60
6. Step 6: Final answer
   x = 58,750.12