Finding the Fourth Proportional to 8,790.70, 12,131.89 and 5,014.02

Step by Step Solution

1. Step 1: Write the proportion equation
   8,790.70 : 12,131.89 = 5,014.02 : x
2. Step 2: Convert to fraction form
   8,790.70/12,131.89 = 5,014.02/x
3. Step 3: Cross multiply
   8,790.70x = 12,131.89 × 5,014.02
4. Step 4: Simplify right side
   8,790.70x = 60,829,539.10
5. Step 5: Solve for x
   x = 60,829,539.10/8,790.70
6. Step 6: Final answer
   x = 6,919.76