Finding the Fourth Proportional to 2,991.90, 4,126.71 and 2,432.37

Step by Step Solution

1. Step 1: Write the proportion equation
   2,991.90 : 4,126.71 = 2,432.37 : x
2. Step 2: Convert to fraction form
   2,991.90/4,126.71 = 2,432.37/x
3. Step 3: Cross multiply
   2,991.90x = 4,126.71 × 2,432.37
4. Step 4: Simplify right side
   2,991.90x = 10,037,685.60
5. Step 5: Solve for x
   x = 10,037,685.60/2,991.90
6. Step 6: Final answer
   x = 3,354.95