Finding the Fourth Proportional to 141,819.01, 195,710.27 and 77,288.27

Step by Step Solution

1. Step 1: Write the proportion equation
   141,819.01 : 195,710.27 = 77,288.27 : x
2. Step 2: Convert to fraction form
   141,819.01/195,710.27 = 77,288.27/x
3. Step 3: Cross multiply
   141,819.01x = 195,710.27 × 77,288.27
4. Step 4: Simplify right side
   141,819.01x = 15,126,108,189.53
5. Step 5: Solve for x
   x = 15,126,108,189.53/141,819.01
6. Step 6: Final answer
   x = 106,657.83