Finding the Fourth Proportional to 13,061.56, 19,594.78 and 4,302.64

Step by Step Solution

1. Step 1: Write the proportion equation
   13,061.56 : 19,594.78 = 4,302.64 : x
2. Step 2: Convert to fraction form
   13,061.56/19,594.78 = 4,302.64/x
3. Step 3: Cross multiply
   13,061.56x = 19,594.78 × 4,302.64
4. Step 4: Simplify right side
   13,061.56x = 84,309,284.22
5. Step 5: Solve for x
   x = 84,309,284.22/13,061.56
6. Step 6: Final answer
   x = 6,454.76