Finding the Fourth Proportional to 8,886.08, 12,261.71 and 5,654.79

Step by Step Solution

1. Step 1: Write the proportion equation
   8,886.08 : 12,261.71 = 5,654.79 : x
2. Step 2: Convert to fraction form
   8,886.08/12,261.71 = 5,654.79/x
3. Step 3: Cross multiply
   8,886.08x = 12,261.71 × 5,654.79
4. Step 4: Simplify right side
   8,886.08x = 69,337,409.23
5. Step 5: Solve for x
   x = 69,337,409.23/8,886.08
6. Step 6: Final answer
   x = 7,802.92