Finding the Fourth Proportional to 42,648.75, 64,002.29 and 14,946.75

Step by Step Solution

1. Step 1: Write the proportion equation
   42,648.75 : 64,002.29 = 14,946.75 : x
2. Step 2: Convert to fraction form
   42,648.75/64,002.29 = 14,946.75/x
3. Step 3: Cross multiply
   42,648.75x = 64,002.29 × 14,946.75
4. Step 4: Simplify right side
   42,648.75x = 956,626,153.32
5. Step 5: Solve for x
   x = 956,626,153.32/42,648.75
6. Step 6: Final answer
   x = 22,430.34