Finding the Fourth Proportional to 12,612.01, 17,403.81 and 7,305.91

Step by Step Solution

1. Step 1: Write the proportion equation
   12,612.01 : 17,403.81 = 7,305.91 : x
2. Step 2: Convert to fraction form
   12,612.01/17,403.81 = 7,305.91/x
3. Step 3: Cross multiply
   12,612.01x = 17,403.81 × 7,305.91
4. Step 4: Simplify right side
   12,612.01x = 127,150,669.52
5. Step 5: Solve for x
   x = 127,150,669.52/12,612.01
6. Step 6: Final answer
   x = 10,081.71