Finding the Fourth Proportional to 13,066.59, 19,585.30 and 5,659.95

Step by Step Solution

1. Step 1: Write the proportion equation
   13,066.59 : 19,585.30 = 5,659.95 : x
2. Step 2: Convert to fraction form
   13,066.59/19,585.30 = 5,659.95/x
3. Step 3: Cross multiply
   13,066.59x = 19,585.30 × 5,659.95
4. Step 4: Simplify right side
   13,066.59x = 110,851,804.59
5. Step 5: Solve for x
   x = 110,851,804.59/13,066.59
6. Step 6: Final answer
   x = 8,483.61