Finding the Fourth Proportional to 42,911.90, 64,352.05 and 14,824.74

Step by Step Solution

1. Step 1: Write the proportion equation
   42,911.90 : 64,352.05 = 14,824.74 : x
2. Step 2: Convert to fraction form
   42,911.90/64,352.05 = 14,824.74/x
3. Step 3: Cross multiply
   42,911.90x = 64,352.05 × 14,824.74
4. Step 4: Simplify right side
   42,911.90x = 954,002,335.59
5. Step 5: Solve for x
   x = 954,002,335.59/42,911.90
6. Step 6: Final answer
   x = 22,231.65