Finding the Fourth Proportional to 10,501.40, 15,756.20 and 3,926.04

Step by Step Solution

1. Step 1: Write the proportion equation
   10,501.40 : 15,756.20 = 3,926.04 : x
2. Step 2: Convert to fraction form
   10,501.40/15,756.20 = 3,926.04/x
3. Step 3: Cross multiply
   10,501.40x = 15,756.20 × 3,926.04
4. Step 4: Simplify right side
   10,501.40x = 61,859,451.82
5. Step 5: Solve for x
   x = 61,859,451.82/10,501.40
6. Step 6: Final answer
   x = 5,890.59