Finding the Fourth Proportional to 11,152.24, 15,381.27 and 9,877.46

Step by Step Solution

1. Step 1: Write the proportion equation
   11,152.24 : 15,381.27 = 9,877.46 : x
2. Step 2: Convert to fraction form
   11,152.24/15,381.27 = 9,877.46/x
3. Step 3: Cross multiply
   11,152.24x = 15,381.27 × 9,877.46
4. Step 4: Simplify right side
   11,152.24x = 151,927,802.27
5. Step 5: Solve for x
   x = 151,927,802.27/11,152.24
6. Step 6: Final answer
   x = 13,623.08