Finding the Fourth Proportional to 1,415.42, 1,954.35 and 974.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,415.42 : 1,954.35 = 974.37 : x
2. Step 2: Convert to fraction form
   1,415.42/1,954.35 = 974.37/x
3. Step 3: Cross multiply
   1,415.42x = 1,954.35 × 974.37
4. Step 4: Simplify right side
   1,415.42x = 1,904,260.01
5. Step 5: Solve for x
   x = 1,904,260.01/1,415.42
6. Step 6: Final answer
   x = 1,345.37