Finding the Fourth Proportional to 10,300.88, 15,468.60 and 10,220.24

Step by Step Solution

1. Step 1: Write the proportion equation
   10,300.88 : 15,468.60 = 10,220.24 : x
2. Step 2: Convert to fraction form
   10,300.88/15,468.60 = 10,220.24/x
3. Step 3: Cross multiply
   10,300.88x = 15,468.60 × 10,220.24
4. Step 4: Simplify right side
   10,300.88x = 158,092,804.46
5. Step 5: Solve for x
   x = 158,092,804.46/10,300.88
6. Step 6: Final answer
   x = 15,347.50