Finding the Fourth Proportional to 9,131.00, 12,600.99 and 5,151.35

Step by Step Solution

1. Step 1: Write the proportion equation
   9,131.00 : 12,600.99 = 5,151.35 : x
2. Step 2: Convert to fraction form
   9,131.00/12,600.99 = 5,151.35/x
3. Step 3: Cross multiply
   9,131.00x = 12,600.99 × 5,151.35
4. Step 4: Simplify right side
   9,131.00x = 64,912,141.34
5. Step 5: Solve for x
   x = 64,912,141.34/9,131.00
6. Step 6: Final answer
   x = 7,108.99