Finding the Fourth Proportional to 2,159.84, 2,977.31 and 1,562.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,159.84 : 2,977.31 = 1,562.06 : x
2. Step 2: Convert to fraction form
   2,159.84/2,977.31 = 1,562.06/x
3. Step 3: Cross multiply
   2,159.84x = 2,977.31 × 1,562.06
4. Step 4: Simplify right side
   2,159.84x = 4,650,736.86
5. Step 5: Solve for x
   x = 4,650,736.86/2,159.84
6. Step 6: Final answer
   x = 2,153.28