Finding the Fourth Proportional to 7,312.07, 10,090.71 and 4,168.46

Step by Step Solution

1. Step 1: Write the proportion equation
   7,312.07 : 10,090.71 = 4,168.46 : x
2. Step 2: Convert to fraction form
   7,312.07/10,090.71 = 4,168.46/x
3. Step 3: Cross multiply
   7,312.07x = 10,090.71 × 4,168.46
4. Step 4: Simplify right side
   7,312.07x = 42,062,721.01
5. Step 5: Solve for x
   x = 42,062,721.01/7,312.07
6. Step 6: Final answer
   x = 5,752.51