Finding the Fourth Proportional to 13,312.56, 19,973 and 3,952.62

Step by Step Solution

1. Step 1: Write the proportion equation
   13,312.56 : 19,973 = 3,952.62 : x
2. Step 2: Convert to fraction form
   13,312.56/19,973 = 3,952.62/x
3. Step 3: Cross multiply
   13,312.56x = 19,973 × 3,952.62
4. Step 4: Simplify right side
   13,312.56x = 78,945,679.26
5. Step 5: Solve for x
   x = 78,945,679.26/13,312.56
6. Step 6: Final answer
   x = 5,930.17