Finding the Fourth Proportional to 11,686.16, 17,527.80 and 4,760.72

Step by Step Solution

1. Step 1: Write the proportion equation
   11,686.16 : 17,527.80 = 4,760.72 : x
2. Step 2: Convert to fraction form
   11,686.16/17,527.80 = 4,760.72/x
3. Step 3: Cross multiply
   11,686.16x = 17,527.80 × 4,760.72
4. Step 4: Simplify right side
   11,686.16x = 83,444,948.02
5. Step 5: Solve for x
   x = 83,444,948.02/11,686.16
6. Step 6: Final answer
   x = 7,140.49