Finding the Fourth Proportional to 15,387.98, 23,085.86 and 4,294.67

Step by Step Solution

1. Step 1: Write the proportion equation
   15,387.98 : 23,085.86 = 4,294.67 : x
2. Step 2: Convert to fraction form
   15,387.98/23,085.86 = 4,294.67/x
3. Step 3: Cross multiply
   15,387.98x = 23,085.86 × 4,294.67
4. Step 4: Simplify right side
   15,387.98x = 99,146,013.46
5. Step 5: Solve for x
   x = 99,146,013.46/15,387.98
6. Step 6: Final answer
   x = 6,443.08