Finding the Fourth Proportional to 40,719.06, 61,091.69 and 19,380.83

Step by Step Solution

1. Step 1: Write the proportion equation
   40,719.06 : 61,091.69 = 19,380.83 : x
2. Step 2: Convert to fraction form
   40,719.06/61,091.69 = 19,380.83/x
3. Step 3: Cross multiply
   40,719.06x = 61,091.69 × 19,380.83
4. Step 4: Simplify right side
   40,719.06x = 1,184,007,255.94
5. Step 5: Solve for x
   x = 1,184,007,255.94/40,719.06
6. Step 6: Final answer
   x = 29,077.47