Finding the Fourth Proportional to 38,071.59, 52,538.00 and 21,074.87

Step by Step Solution

1. Step 1: Write the proportion equation
   38,071.59 : 52,538.00 = 21,074.87 : x
2. Step 2: Convert to fraction form
   38,071.59/52,538.00 = 21,074.87/x
3. Step 3: Cross multiply
   38,071.59x = 52,538.00 × 21,074.87
4. Step 4: Simplify right side
   38,071.59x = 1,107,231,152.00
5. Step 5: Solve for x
   x = 1,107,231,152.00/38,071.59
6. Step 6: Final answer
   x = 29,082.87