Finding the Fourth Proportional to 42,916.56, 64,377.67 and 14,839.33

Step by Step Solution

1. Step 1: Write the proportion equation
   42,916.56 : 64,377.67 = 14,839.33 : x
2. Step 2: Convert to fraction form
   42,916.56/64,377.67 = 14,839.33/x
3. Step 3: Cross multiply
   42,916.56x = 64,377.67 × 14,839.33
4. Step 4: Simplify right side
   42,916.56x = 955,321,291.72
5. Step 5: Solve for x
   x = 955,321,291.72/42,916.56
6. Step 6: Final answer
   x = 22,259.97