Finding the Fourth Proportional to 15,238.78, 21,042.50 and 9,583.00

Step by Step Solution

1. Step 1: Write the proportion equation
   15,238.78 : 21,042.50 = 9,583.00 : x
2. Step 2: Convert to fraction form
   15,238.78/21,042.50 = 9,583.00/x
3. Step 3: Cross multiply
   15,238.78x = 21,042.50 × 9,583.00
4. Step 4: Simplify right side
   15,238.78x = 201,650,124.37
5. Step 5: Solve for x
   x = 201,650,124.37/15,238.78
6. Step 6: Final answer
   x = 13,232.69