Finding the Fourth Proportional to 9,853.31, 14,760.51 and 7,390.91

Step by Step Solution

1. Step 1: Write the proportion equation
   9,853.31 : 14,760.51 = 7,390.91 : x
2. Step 2: Convert to fraction form
   9,853.31/14,760.51 = 7,390.91/x
3. Step 3: Cross multiply
   9,853.31x = 14,760.51 × 7,390.91
4. Step 4: Simplify right side
   9,853.31x = 109,093,527.16
5. Step 5: Solve for x
   x = 109,093,527.16/9,853.31
6. Step 6: Final answer
   x = 11,071.77