Finding the Fourth Proportional to 9,301.61, 12,836.33 and 5,052.72

Step by Step Solution

1. Step 1: Write the proportion equation
   9,301.61 : 12,836.33 = 5,052.72 : x
2. Step 2: Convert to fraction form
   9,301.61/12,836.33 = 5,052.72/x
3. Step 3: Cross multiply
   9,301.61x = 12,836.33 × 5,052.72
4. Step 4: Simplify right side
   9,301.61x = 64,858,393.95
5. Step 5: Solve for x
   x = 64,858,393.95/9,301.61
6. Step 6: Final answer
   x = 6,972.81