Finding the Fourth Proportional to 45,307, 62,301.72 and 39,328.18

Step by Step Solution

1. Step 1: Write the proportion equation
   45,307 : 62,301.72 = 39,328.18 : x
2. Step 2: Convert to fraction form
   45,307/62,301.72 = 39,328.18/x
3. Step 3: Cross multiply
   45,307x = 62,301.72 × 39,328.18
4. Step 4: Simplify right side
   45,307x = 2,450,213,258.47
5. Step 5: Solve for x
   x = 2,450,213,258.47/45,307
6. Step 6: Final answer
   x = 54,080.24