Finding the Fourth Proportional to 7,312.59, 10,091.10 and 4,168.17

Step by Step Solution

1. Step 1: Write the proportion equation
   7,312.59 : 10,091.10 = 4,168.17 : x
2. Step 2: Convert to fraction form
   7,312.59/10,091.10 = 4,168.17/x
3. Step 3: Cross multiply
   7,312.59x = 10,091.10 × 4,168.17
4. Step 4: Simplify right side
   7,312.59x = 42,061,420.29
5. Step 5: Solve for x
   x = 42,061,420.29/7,312.59
6. Step 6: Final answer
   x = 5,751.92