Finding the Fourth Proportional to 10,499.74, 15,752.45 and 3,926.59

Step by Step Solution

1. Step 1: Write the proportion equation
   10,499.74 : 15,752.45 = 3,926.59 : x
2. Step 2: Convert to fraction form
   10,499.74/15,752.45 = 3,926.59/x
3. Step 3: Cross multiply
   10,499.74x = 15,752.45 × 3,926.59
4. Step 4: Simplify right side
   10,499.74x = 61,853,314.25
5. Step 5: Solve for x
   x = 61,853,314.25/10,499.74
6. Step 6: Final answer
   x = 5,890.94