Finding the Fourth Proportional to 21,510.55, 32,213.98 and 19,048.15

Step by Step Solution

1. Step 1: Write the proportion equation
   21,510.55 : 32,213.98 = 19,048.15 : x
2. Step 2: Convert to fraction form
   21,510.55/32,213.98 = 19,048.15/x
3. Step 3: Cross multiply
   21,510.55x = 32,213.98 × 19,048.15
4. Step 4: Simplify right side
   21,510.55x = 613,616,723.14
5. Step 5: Solve for x
   x = 613,616,723.14/21,510.55
6. Step 6: Final answer
   x = 28,526.31