Finding the Fourth Proportional to 9,113.02, 13,670.89 and 2,872.37

Step by Step Solution

1. Step 1: Write the proportion equation
   9,113.02 : 13,670.89 = 2,872.37 : x
2. Step 2: Convert to fraction form
   9,113.02/13,670.89 = 2,872.37/x
3. Step 3: Cross multiply
   9,113.02x = 13,670.89 × 2,872.37
4. Step 4: Simplify right side
   9,113.02x = 39,267,881.31
5. Step 5: Solve for x
   x = 39,267,881.31/9,113.02
6. Step 6: Final answer
   x = 4,308.99