Finding the Fourth Proportional to 38,300.50, 52,854.69 and 21,533.50

Step by Step Solution

1. Step 1: Write the proportion equation
   38,300.50 : 52,854.69 = 21,533.50 : x
2. Step 2: Convert to fraction form
   38,300.50/52,854.69 = 21,533.50/x
3. Step 3: Cross multiply
   38,300.50x = 52,854.69 × 21,533.50
4. Step 4: Simplify right side
   38,300.50x = 1,138,146,467.12
5. Step 5: Solve for x
   x = 1,138,146,467.12/38,300.50
6. Step 6: Final answer
   x = 29,716.23