Finding the Fourth Proportional to 13,261.84, 18,301.72 and 7,293.89

Step by Step Solution

1. Step 1: Write the proportion equation
   13,261.84 : 18,301.72 = 7,293.89 : x
2. Step 2: Convert to fraction form
   13,261.84/18,301.72 = 7,293.89/x
3. Step 3: Cross multiply
   13,261.84x = 18,301.72 × 7,293.89
4. Step 4: Simplify right side
   13,261.84x = 133,490,760.01
5. Step 5: Solve for x
   x = 133,490,760.01/13,261.84
6. Step 6: Final answer
   x = 10,065.78