Finding the Fourth Proportional to 40,401.99, 60,846.10 and 35,780.13

Step by Step Solution

1. Step 1: Write the proportion equation
   40,401.99 : 60,846.10 = 35,780.13 : x
2. Step 2: Convert to fraction form
   40,401.99/60,846.10 = 35,780.13/x
3. Step 3: Cross multiply
   40,401.99x = 60,846.10 × 35,780.13
4. Step 4: Simplify right side
   40,401.99x = 2,177,081,278.54
5. Step 5: Solve for x
   x = 2,177,081,278.54/40,401.99
6. Step 6: Final answer
   x = 53,885.50