Finding the Fourth Proportional to 11,570.14, 17,355.57 and 4,995.10

Step by Step Solution

1. Step 1: Write the proportion equation
   11,570.14 : 17,355.57 = 4,995.10 : x
2. Step 2: Convert to fraction form
   11,570.14/17,355.57 = 4,995.10/x
3. Step 3: Cross multiply
   11,570.14x = 17,355.57 × 4,995.10
4. Step 4: Simplify right side
   11,570.14x = 86,692,807.71
5. Step 5: Solve for x
   x = 86,692,807.71/11,570.14
6. Step 6: Final answer
   x = 7,492.81