Finding the Fourth Proportional to 3,437.42, 5,155.04 and 972.32

Step by Step Solution

1. Step 1: Write the proportion equation
   3,437.42 : 5,155.04 = 972.32 : x
2. Step 2: Convert to fraction form
   3,437.42/5,155.04 = 972.32/x
3. Step 3: Cross multiply
   3,437.42x = 5,155.04 × 972.32
4. Step 4: Simplify right side
   3,437.42x = 5,012,325.15
5. Step 5: Solve for x
   x = 5,012,325.15/3,437.42
6. Step 6: Final answer
   x = 1,458.17