Finding the Fourth Proportional to 42,054.78, 63,026.12 and 19,874.04

Step by Step Solution

1. Step 1: Write the proportion equation
   42,054.78 : 63,026.12 = 19,874.04 : x
2. Step 2: Convert to fraction form
   42,054.78/63,026.12 = 19,874.04/x
3. Step 3: Cross multiply
   42,054.78x = 63,026.12 × 19,874.04
4. Step 4: Simplify right side
   42,054.78x = 1,252,583,629.92
5. Step 5: Solve for x
   x = 1,252,583,629.92/42,054.78
6. Step 6: Final answer
   x = 29,784.58