Finding the Fourth Proportional to 7,925, 10,936.50 and 5,130.50

Step by Step Solution

1. Step 1: Write the proportion equation
   7,925 : 10,936.50 = 5,130.50 : x
2. Step 2: Convert to fraction form
   7,925/10,936.50 = 5,130.50/x
3. Step 3: Cross multiply
   7,925x = 10,936.50 × 5,130.50
4. Step 4: Simplify right side
   7,925x = 56,109,713.25
5. Step 5: Solve for x
   x = 56,109,713.25/7,925
6. Step 6: Final answer
   x = 7,080.09