Finding the Fourth Proportional to 10,415.59, 15,625.91 and 3,019.88

Step by Step Solution

1. Step 1: Write the proportion equation
   10,415.59 : 15,625.91 = 3,019.88 : x
2. Step 2: Convert to fraction form
   10,415.59/15,625.91 = 3,019.88/x
3. Step 3: Cross multiply
   10,415.59x = 15,625.91 × 3,019.88
4. Step 4: Simplify right side
   10,415.59x = 47,188,419.71
5. Step 5: Solve for x
   x = 47,188,419.71/10,415.59
6. Step 6: Final answer
   x = 4,530.56