Finding the Fourth Proportional to 141,811.82, 195,697.77 and 77,281.61

Step by Step Solution

1. Step 1: Write the proportion equation
   141,811.82 : 195,697.77 = 77,281.61 : x
2. Step 2: Convert to fraction form
   141,811.82/195,697.77 = 77,281.61/x
3. Step 3: Cross multiply
   141,811.82x = 195,697.77 × 77,281.61
4. Step 4: Simplify right side
   141,811.82x = 15,123,837,760.52
5. Step 5: Solve for x
   x = 15,123,837,760.52/141,811.82
6. Step 6: Final answer
   x = 106,647.23