Finding the Fourth Proportional to 38,401.43, 52,987.53 and 21,401.96

Step by Step Solution

1. Step 1: Write the proportion equation
   38,401.43 : 52,987.53 = 21,401.96 : x
2. Step 2: Convert to fraction form
   38,401.43/52,987.53 = 21,401.96/x
3. Step 3: Cross multiply
   38,401.43x = 52,987.53 × 21,401.96
4. Step 4: Simplify right side
   38,401.43x = 1,134,036,812.88
5. Step 5: Solve for x
   x = 1,134,036,812.88/38,401.43
6. Step 6: Final answer
   x = 29,531.11