Finding the Fourth Proportional to 9,510.59, 13,108.88 and 7,148.63

Step by Step Solution

1. Step 1: Write the proportion equation
   9,510.59 : 13,108.88 = 7,148.63 : x
2. Step 2: Convert to fraction form
   9,510.59/13,108.88 = 7,148.63/x
3. Step 3: Cross multiply
   9,510.59x = 13,108.88 × 7,148.63
4. Step 4: Simplify right side
   9,510.59x = 93,710,583.48
5. Step 5: Solve for x
   x = 93,710,583.48/9,510.59
6. Step 6: Final answer
   x = 9,853.29