Finding the Fourth Proportional to 2,952.18, 4,428.54 and 1,307.07

Step by Step Solution

1. Step 1: Write the proportion equation
   2,952.18 : 4,428.54 = 1,307.07 : x
2. Step 2: Convert to fraction form
   2,952.18/4,428.54 = 1,307.07/x
3. Step 3: Cross multiply
   2,952.18x = 4,428.54 × 1,307.07
4. Step 4: Simplify right side
   2,952.18x = 5,788,411.78
5. Step 5: Solve for x
   x = 5,788,411.78/2,952.18
6. Step 6: Final answer
   x = 1,960.72