Finding the Fourth Proportional to 9,110.37, 12,572.01 and 5,131.45

Step by Step Solution

1. Step 1: Write the proportion equation
   9,110.37 : 12,572.01 = 5,131.45 : x
2. Step 2: Convert to fraction form
   9,110.37/12,572.01 = 5,131.45/x
3. Step 3: Cross multiply
   9,110.37x = 12,572.01 × 5,131.45
4. Step 4: Simplify right side
   9,110.37x = 64,512,656.43
5. Step 5: Solve for x
   x = 64,512,656.43/9,110.37
6. Step 6: Final answer
   x = 7,081.23