Finding the Fourth Proportional to 38,390.71, 57,549.67 and 13,414.52

Step by Step Solution

1. Step 1: Write the proportion equation
   38,390.71 : 57,549.67 = 13,414.52 : x
2. Step 2: Convert to fraction form
   38,390.71/57,549.67 = 13,414.52/x
3. Step 3: Cross multiply
   38,390.71x = 57,549.67 × 13,414.52
4. Step 4: Simplify right side
   38,390.71x = 772,001,199.21
5. Step 5: Solve for x
   x = 772,001,199.21/38,390.71
6. Step 6: Final answer
   x = 20,109.06