Finding the Fourth Proportional to 38,521.43, 53,158.56 and 21,525.82

Step by Step Solution

1. Step 1: Write the proportion equation
   38,521.43 : 53,158.56 = 21,525.82 : x
2. Step 2: Convert to fraction form
   38,521.43/53,158.56 = 21,525.82/x
3. Step 3: Cross multiply
   38,521.43x = 53,158.56 × 21,525.82
4. Step 4: Simplify right side
   38,521.43x = 1,144,281,410.67
5. Step 5: Solve for x
   x = 1,144,281,410.67/38,521.43
6. Step 6: Final answer
   x = 29,705.06