Finding the Fourth Proportional to 3,156.88, 4,356.72 and 1,759.60

Step by Step Solution

1. Step 1: Write the proportion equation
   3,156.88 : 4,356.72 = 1,759.60 : x
2. Step 2: Convert to fraction form
   3,156.88/4,356.72 = 1,759.60/x
3. Step 3: Cross multiply
   3,156.88x = 4,356.72 × 1,759.60
4. Step 4: Simplify right side
   3,156.88x = 7,666,084.51
5. Step 5: Solve for x
   x = 7,666,084.51/3,156.88
6. Step 6: Final answer
   x = 2,428.37