Finding the Fourth Proportional to 3,437.34, 5,155.92 and 972.10

Step by Step Solution

1. Step 1: Write the proportion equation
   3,437.34 : 5,155.92 = 972.10 : x
2. Step 2: Convert to fraction form
   3,437.34/5,155.92 = 972.10/x
3. Step 3: Cross multiply
   3,437.34x = 5,155.92 × 972.10
4. Step 4: Simplify right side
   3,437.34x = 5,012,069.83
5. Step 5: Solve for x
   x = 5,012,069.83/3,437.34
6. Step 6: Final answer
   x = 1,458.12