Finding the Fourth Proportional to 9,150.93, 13,728.54 and 4,706.91

Step by Step Solution

1. Step 1: Write the proportion equation
   9,150.93 : 13,728.54 = 4,706.91 : x
2. Step 2: Convert to fraction form
   9,150.93/13,728.54 = 4,706.91/x
3. Step 3: Cross multiply
   9,150.93x = 13,728.54 × 4,706.91
4. Step 4: Simplify right side
   9,150.93x = 64,619,002.21
5. Step 5: Solve for x
   x = 64,619,002.21/9,150.93
6. Step 6: Final answer
   x = 7,061.47