Finding the Fourth Proportional to 9,112.50, 13,670.91 and 2,956.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,112.50 : 13,670.91 = 2,956.50 : x
2. Step 2: Convert to fraction form
   9,112.50/13,670.91 = 2,956.50/x
3. Step 3: Cross multiply
   9,112.50x = 13,670.91 × 2,956.50
4. Step 4: Simplify right side
   9,112.50x = 40,418,045.42
5. Step 5: Solve for x
   x = 40,418,045.42/9,112.50
6. Step 6: Final answer
   x = 4,435.45