Finding the Fourth Proportional to 71,870.86, 107,825.73 and 40,727.98

Step by Step Solution

1. Step 1: Write the proportion equation
   71,870.86 : 107,825.73 = 40,727.98 : x
2. Step 2: Convert to fraction form
   71,870.86/107,825.73 = 40,727.98/x
3. Step 3: Cross multiply
   71,870.86x = 107,825.73 × 40,727.98
4. Step 4: Simplify right side
   71,870.86x = 4,391,524,174.93
5. Step 5: Solve for x
   x = 4,391,524,174.93/71,870.86
6. Step 6: Final answer
   x = 61,102.99