Finding the Fourth Proportional to 38,061.87, 52,524.99 and 21,066.15

Step by Step Solution

1. Step 1: Write the proportion equation
   38,061.87 : 52,524.99 = 21,066.15 : x
2. Step 2: Convert to fraction form
   38,061.87/52,524.99 = 21,066.15/x
3. Step 3: Cross multiply
   38,061.87x = 52,524.99 × 21,066.15
4. Step 4: Simplify right side
   38,061.87x = 1,106,499,318.09
5. Step 5: Solve for x
   x = 1,106,499,318.09/38,061.87
6. Step 6: Final answer
   x = 29,071.07