Finding the Fourth Proportional to 7,111.59, 10,670.15 and 2,950.55

Step by Step Solution

1. Step 1: Write the proportion equation
   7,111.59 : 10,670.15 = 2,950.55 : x
2. Step 2: Convert to fraction form
   7,111.59/10,670.15 = 2,950.55/x
3. Step 3: Cross multiply
   7,111.59x = 10,670.15 × 2,950.55
4. Step 4: Simplify right side
   7,111.59x = 31,482,811.08
5. Step 5: Solve for x
   x = 31,482,811.08/7,111.59
6. Step 6: Final answer
   x = 4,426.97