Finding the Fourth Proportional to 12,926.32, 19,389.88 and 3,566.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,926.32 : 19,389.88 = 3,566.50 : x
2. Step 2: Convert to fraction form
   12,926.32/19,389.88 = 3,566.50/x
3. Step 3: Cross multiply
   12,926.32x = 19,389.88 × 3,566.50
4. Step 4: Simplify right side
   12,926.32x = 69,154,007.02
5. Step 5: Solve for x
   x = 69,154,007.02/12,926.32
6. Step 6: Final answer
   x = 5,349.86