Finding the Fourth Proportional to 31,216.57, 43,075.89 and 17,787.49

Step by Step Solution

1. Step 1: Write the proportion equation
   31,216.57 : 43,075.89 = 17,787.49 : x
2. Step 2: Convert to fraction form
   31,216.57/43,075.89 = 17,787.49/x
3. Step 3: Cross multiply
   31,216.57x = 43,075.89 × 17,787.49
4. Step 4: Simplify right side
   31,216.57x = 766,211,962.62
5. Step 5: Solve for x
   x = 766,211,962.62/31,216.57
6. Step 6: Final answer
   x = 24,545.04