Finding the Fourth Proportional to 9,011.76, 12,435.80 and 5,032.78

Step by Step Solution

1. Step 1: Write the proportion equation
   9,011.76 : 12,435.80 = 5,032.78 : x
2. Step 2: Convert to fraction form
   9,011.76/12,435.80 = 5,032.78/x
3. Step 3: Cross multiply
   9,011.76x = 12,435.80 × 5,032.78
4. Step 4: Simplify right side
   9,011.76x = 62,586,701.69
5. Step 5: Solve for x
   x = 62,586,701.69/9,011.76
6. Step 6: Final answer
   x = 6,945.01