Finding the Fourth Proportional to 12,964.02, 19,443.08 and 5,066.72

Step by Step Solution

1. Step 1: Write the proportion equation
   12,964.02 : 19,443.08 = 5,066.72 : x
2. Step 2: Convert to fraction form
   12,964.02/19,443.08 = 5,066.72/x
3. Step 3: Cross multiply
   12,964.02x = 19,443.08 × 5,066.72
4. Step 4: Simplify right side
   12,964.02x = 98,512,642.30
5. Step 5: Solve for x
   x = 98,512,642.30/12,964.02
6. Step 6: Final answer
   x = 7,598.93