Finding the Fourth Proportional to 10,886.48, 15,030.76 and 7,306.80

Step by Step Solution

1. Step 1: Write the proportion equation
   10,886.48 : 15,030.76 = 7,306.80 : x
2. Step 2: Convert to fraction form
   10,886.48/15,030.76 = 7,306.80/x
3. Step 3: Cross multiply
   10,886.48x = 15,030.76 × 7,306.80
4. Step 4: Simplify right side
   10,886.48x = 109,826,741.96
5. Step 5: Solve for x
   x = 109,826,741.96/10,886.48
6. Step 6: Final answer
   x = 10,088.36