Finding the Fourth Proportional to 10,074.58, 15,113.69 and 3,499.91

Step by Step Solution

1. Step 1: Write the proportion equation
   10,074.58 : 15,113.69 = 3,499.91 : x
2. Step 2: Convert to fraction form
   10,074.58/15,113.69 = 3,499.91/x
3. Step 3: Cross multiply
   10,074.58x = 15,113.69 × 3,499.91
4. Step 4: Simplify right side
   10,074.58x = 52,896,531.50
5. Step 5: Solve for x
   x = 52,896,531.50/10,074.58
6. Step 6: Final answer
   x = 5,250.50