Finding the Fourth Proportional to 12,507.82, 17,258.88 and 7,201.78

Step by Step Solution

1. Step 1: Write the proportion equation
   12,507.82 : 17,258.88 = 7,201.78 : x
2. Step 2: Convert to fraction form
   12,507.82/17,258.88 = 7,201.78/x
3. Step 3: Cross multiply
   12,507.82x = 17,258.88 × 7,201.78
4. Step 4: Simplify right side
   12,507.82x = 124,294,656.81
5. Step 5: Solve for x
   x = 124,294,656.81/12,507.82
6. Step 6: Final answer
   x = 9,937.36