Finding the Fourth Proportional to 78,468.60, 108,276.06 and 50,154.20

Step by Step Solution

1. Step 1: Write the proportion equation
   78,468.60 : 108,276.06 = 50,154.20 : x
2. Step 2: Convert to fraction form
   78,468.60/108,276.06 = 50,154.20/x
3. Step 3: Cross multiply
   78,468.60x = 108,276.06 × 50,154.20
4. Step 4: Simplify right side
   78,468.60x = 5,430,499,168.45
5. Step 5: Solve for x
   x = 5,430,499,168.45/78,468.60
6. Step 6: Final answer
   x = 69,206.02