Finding the Fourth Proportional to 9,010.95, 12,431.79 and 5,653.89

Step by Step Solution

1. Step 1: Write the proportion equation
   9,010.95 : 12,431.79 = 5,653.89 : x
2. Step 2: Convert to fraction form
   9,010.95/12,431.79 = 5,653.89/x
3. Step 3: Cross multiply
   9,010.95x = 12,431.79 × 5,653.89
4. Step 4: Simplify right side
   9,010.95x = 70,287,973.16
5. Step 5: Solve for x
   x = 70,287,973.16/9,010.95
6. Step 6: Final answer
   x = 7,800.28