Finding the Fourth Proportional to 15,426.89, 23,135.55 and 5,564.88

Step by Step Solution

1. Step 1: Write the proportion equation
   15,426.89 : 23,135.55 = 5,564.88 : x
2. Step 2: Convert to fraction form
   15,426.89/23,135.55 = 5,564.88/x
3. Step 3: Cross multiply
   15,426.89x = 23,135.55 × 5,564.88
4. Step 4: Simplify right side
   15,426.89x = 128,746,538.62
5. Step 5: Solve for x
   x = 128,746,538.62/15,426.89
6. Step 6: Final answer
   x = 8,345.59