Finding the Fourth Proportional to 1,436.85, 2,156.37 and 973.53

Step by Step Solution

1. Step 1: Write the proportion equation
   1,436.85 : 2,156.37 = 973.53 : x
2. Step 2: Convert to fraction form
   1,436.85/2,156.37 = 973.53/x
3. Step 3: Cross multiply
   1,436.85x = 2,156.37 × 973.53
4. Step 4: Simplify right side
   1,436.85x = 2,099,290.89
5. Step 5: Solve for x
   x = 2,099,290.89/1,436.85
6. Step 6: Final answer
   x = 1,461.04