Finding the Fourth Proportional to 10,087, 15,130.52 and 2,791

Step by Step Solution

1. Step 1: Write the proportion equation
   10,087 : 15,130.52 = 2,791 : x
2. Step 2: Convert to fraction form
   10,087/15,130.52 = 2,791/x
3. Step 3: Cross multiply
   10,087x = 15,130.52 × 2,791
4. Step 4: Simplify right side
   10,087x = 42,229,281.32
5. Step 5: Solve for x
   x = 42,229,281.32/10,087
6. Step 6: Final answer
   x = 4,186.51