Finding the Fourth Proportional to 9,012.79, 12,437.72 and 5,034.07

Step by Step Solution

1. Step 1: Write the proportion equation
   9,012.79 : 12,437.72 = 5,034.07 : x
2. Step 2: Convert to fraction form
   9,012.79/12,437.72 = 5,034.07/x
3. Step 3: Cross multiply
   9,012.79x = 12,437.72 × 5,034.07
4. Step 4: Simplify right side
   9,012.79x = 62,612,353.12
5. Step 5: Solve for x
   x = 62,612,353.12/9,012.79
6. Step 6: Final answer
   x = 6,947.06