Finding the Fourth Proportional to 49,445.12, 74,111.16 and 17,840.72

Step by Step Solution

1. Step 1: Write the proportion equation
   49,445.12 : 74,111.16 = 17,840.72 : x
2. Step 2: Convert to fraction form
   49,445.12/74,111.16 = 17,840.72/x
3. Step 3: Cross multiply
   49,445.12x = 74,111.16 × 17,840.72
4. Step 4: Simplify right side
   49,445.12x = 1,322,196,454.44
5. Step 5: Solve for x
   x = 1,322,196,454.44/49,445.12
6. Step 6: Final answer
   x = 26,740.69