Finding the Fourth Proportional to 9,011.16, 12,435.62 and 5,654.12

Step by Step Solution

1. Step 1: Write the proportion equation
   9,011.16 : 12,435.62 = 5,654.12 : x
2. Step 2: Convert to fraction form
   9,011.16/12,435.62 = 5,654.12/x
3. Step 3: Cross multiply
   9,011.16x = 12,435.62 × 5,654.12
4. Step 4: Simplify right side
   9,011.16x = 70,312,487.75
5. Step 5: Solve for x
   x = 70,312,487.75/9,011.16
6. Step 6: Final answer
   x = 7,802.82