Finding the Fourth Proportional to 3,435.81, 5,153.43 and 970.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,435.81 : 5,153.43 = 970.50 : x
2. Step 2: Convert to fraction form
   3,435.81/5,153.43 = 970.50/x
3. Step 3: Cross multiply
   3,435.81x = 5,153.43 × 970.50
4. Step 4: Simplify right side
   3,435.81x = 5,001,403.82
5. Step 5: Solve for x
   x = 5,001,403.82/3,435.81
6. Step 6: Final answer
   x = 1,455.67