Finding the Fourth Proportional to 7,485.10, 10,328.96 and 4,127.94

Step by Step Solution

1. Step 1: Write the proportion equation
   7,485.10 : 10,328.96 = 4,127.94 : x
2. Step 2: Convert to fraction form
   7,485.10/10,328.96 = 4,127.94/x
3. Step 3: Cross multiply
   7,485.10x = 10,328.96 × 4,127.94
4. Step 4: Simplify right side
   7,485.10x = 42,637,296.80
5. Step 5: Solve for x
   x = 42,637,296.80/7,485.10
6. Step 6: Final answer
   x = 5,696.29