Finding the Fourth Proportional to 42,669.27, 64,011.33 and 14,592.13

Step by Step Solution

1. Step 1: Write the proportion equation
   42,669.27 : 64,011.33 = 14,592.13 : x
2. Step 2: Convert to fraction form
   42,669.27/64,011.33 = 14,592.13/x
3. Step 3: Cross multiply
   42,669.27x = 64,011.33 × 14,592.13
4. Step 4: Simplify right side
   42,669.27x = 934,061,648.83
5. Step 5: Solve for x
   x = 934,061,648.83/42,669.27
6. Step 6: Final answer
   x = 21,890.73