Finding the Fourth Proportional to 1,933.42, 2,901.67 and 1,315.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,933.42 : 2,901.67 = 1,315.25 : x
2. Step 2: Convert to fraction form
   1,933.42/2,901.67 = 1,315.25/x
3. Step 3: Cross multiply
   1,933.42x = 2,901.67 × 1,315.25
4. Step 4: Simplify right side
   1,933.42x = 3,816,421.47
5. Step 5: Solve for x
   x = 3,816,421.47/1,933.42
6. Step 6: Final answer
   x = 1,973.92