Finding the Fourth Proportional to 32,870.80, 49,233.30 and 19,748.80

Step by Step Solution

1. Step 1: Write the proportion equation
   32,870.80 : 49,233.30 = 19,748.80 : x
2. Step 2: Convert to fraction form
   32,870.80/49,233.30 = 19,748.80/x
3. Step 3: Cross multiply
   32,870.80x = 49,233.30 × 19,748.80
4. Step 4: Simplify right side
   32,870.80x = 972,298,595.04
5. Step 5: Solve for x
   x = 972,298,595.04/32,870.80
6. Step 6: Final answer
   x = 29,579.40