Finding the Fourth Proportional to 42,766.60, 64,150.76 and 14,686.48

Step by Step Solution

1. Step 1: Write the proportion equation
   42,766.60 : 64,150.76 = 14,686.48 : x
2. Step 2: Convert to fraction form
   42,766.60/64,150.76 = 14,686.48/x
3. Step 3: Cross multiply
   42,766.60x = 64,150.76 × 14,686.48
4. Step 4: Simplify right side
   42,766.60x = 942,148,853.72
5. Step 5: Solve for x
   x = 942,148,853.72/42,766.60
6. Step 6: Final answer
   x = 22,030.02