Finding the Fourth Proportional to 49,401.59, 74,116.25 and 19,840.19

Step by Step Solution

1. Step 1: Write the proportion equation
   49,401.59 : 74,116.25 = 19,840.19 : x
2. Step 2: Convert to fraction form
   49,401.59/74,116.25 = 19,840.19/x
3. Step 3: Cross multiply
   49,401.59x = 74,116.25 × 19,840.19
4. Step 4: Simplify right side
   49,401.59x = 1,470,480,012.31
5. Step 5: Solve for x
   x = 1,470,480,012.31/49,401.59
6. Step 6: Final answer
   x = 29,765.85