Finding the Fourth Proportional to 1,948.96, 2,935.12 and 1,642.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,948.96 : 2,935.12 = 1,642.72 : x
2. Step 2: Convert to fraction form
   1,948.96/2,935.12 = 1,642.72/x
3. Step 3: Cross multiply
   1,948.96x = 2,935.12 × 1,642.72
4. Step 4: Simplify right side
   1,948.96x = 4,821,580.33
5. Step 5: Solve for x
   x = 4,821,580.33/1,948.96
6. Step 6: Final answer
   x = 2,473.92