Finding the Fourth Proportional to 13,152.76, 18,154.86 and 7,567.48

Step by Step Solution

1. Step 1: Write the proportion equation
   13,152.76 : 18,154.86 = 7,567.48 : x
2. Step 2: Convert to fraction form
   13,152.76/18,154.86 = 7,567.48/x
3. Step 3: Cross multiply
   13,152.76x = 18,154.86 × 7,567.48
4. Step 4: Simplify right side
   13,152.76x = 137,386,539.95
5. Step 5: Solve for x
   x = 137,386,539.95/13,152.76
6. Step 6: Final answer
   x = 10,445.45