Finding the Fourth Proportional to 9,150.93, 12,618.86 and 7,829.01

Step by Step Solution

1. Step 1: Write the proportion equation
   9,150.93 : 12,618.86 = 7,829.01 : x
2. Step 2: Convert to fraction form
   9,150.93/12,618.86 = 7,829.01/x
3. Step 3: Cross multiply
   9,150.93x = 12,618.86 × 7,829.01
4. Step 4: Simplify right side
   9,150.93x = 98,793,141.98
5. Step 5: Solve for x
   x = 98,793,141.98/9,150.93
6. Step 6: Final answer
   x = 10,795.97