Finding the Fourth Proportional to 9,130.56, 12,600.72 and 5,151.84

Step by Step Solution

1. Step 1: Write the proportion equation
   9,130.56 : 12,600.72 = 5,151.84 : x
2. Step 2: Convert to fraction form
   9,130.56/12,600.72 = 5,151.84/x
3. Step 3: Cross multiply
   9,130.56x = 12,600.72 × 5,151.84
4. Step 4: Simplify right side
   9,130.56x = 64,916,893.32
5. Step 5: Solve for x
   x = 64,916,893.32/9,130.56
6. Step 6: Final answer
   x = 7,109.85