Finding the Fourth Proportional to 9,113.01, 12,575.79 and 5,134.05

Step by Step Solution

1. Step 1: Write the proportion equation
   9,113.01 : 12,575.79 = 5,134.05 : x
2. Step 2: Convert to fraction form
   9,113.01/12,575.79 = 5,134.05/x
3. Step 3: Cross multiply
   9,113.01x = 12,575.79 × 5,134.05
4. Step 4: Simplify right side
   9,113.01x = 64,564,734.65
5. Step 5: Solve for x
   x = 64,564,734.65/9,113.01
6. Step 6: Final answer
   x = 7,084.90