Finding the Fourth Proportional to 42,833.78, 64,238.34 and 14,752.70

Step by Step Solution

1. Step 1: Write the proportion equation
   42,833.78 : 64,238.34 = 14,752.70 : x
2. Step 2: Convert to fraction form
   42,833.78/64,238.34 = 14,752.70/x
3. Step 3: Cross multiply
   42,833.78x = 64,238.34 × 14,752.70
4. Step 4: Simplify right side
   42,833.78x = 947,688,958.52
5. Step 5: Solve for x
   x = 947,688,958.52/42,833.78
6. Step 6: Final answer
   x = 22,124.80