Finding the Fourth Proportional to 73,826.78, 110,789.10 and 40,570.07

Step by Step Solution

1. Step 1: Write the proportion equation
   73,826.78 : 110,789.10 = 40,570.07 : x
2. Step 2: Convert to fraction form
   73,826.78/110,789.10 = 40,570.07/x
3. Step 3: Cross multiply
   73,826.78x = 110,789.10 × 40,570.07
4. Step 4: Simplify right side
   73,826.78x = 4,494,720,988.29
5. Step 5: Solve for x
   x = 4,494,720,988.29/73,826.78
6. Step 6: Final answer
   x = 60,881.99