Finding the Fourth Proportional to 11,422.32, 17,124.48 and 5,262

Step by Step Solution

1. Step 1: Write the proportion equation
   11,422.32 : 17,124.48 = 5,262 : x
2. Step 2: Convert to fraction form
   11,422.32/17,124.48 = 5,262/x
3. Step 3: Cross multiply
   11,422.32x = 17,124.48 × 5,262
4. Step 4: Simplify right side
   11,422.32x = 90,109,013.76
5. Step 5: Solve for x
   x = 90,109,013.76/11,422.32
6. Step 6: Final answer
   x = 7,888.85