Finding the Fourth Proportional to 15,111.32, 22,669.43 and 5,253.41

Step by Step Solution

1. Step 1: Write the proportion equation
   15,111.32 : 22,669.43 = 5,253.41 : x
2. Step 2: Convert to fraction form
   15,111.32/22,669.43 = 5,253.41/x
3. Step 3: Cross multiply
   15,111.32x = 22,669.43 × 5,253.41
4. Step 4: Simplify right side
   15,111.32x = 119,091,670.64
5. Step 5: Solve for x
   x = 119,091,670.64/15,111.32
6. Step 6: Final answer
   x = 7,880.96