Finding the Fourth Proportional to 3,432.33, 5,145.30 and 1,870.05

Step by Step Solution

1. Step 1: Write the proportion equation
   3,432.33 : 5,145.30 = 1,870.05 : x
2. Step 2: Convert to fraction form
   3,432.33/5,145.30 = 1,870.05/x
3. Step 3: Cross multiply
   3,432.33x = 5,145.30 × 1,870.05
4. Step 4: Simplify right side
   3,432.33x = 9,621,968.27
5. Step 5: Solve for x
   x = 9,621,968.27/3,432.33
6. Step 6: Final answer
   x = 2,803.33