Finding the Fourth Proportional to 140,981.82, 194,555.01 and 77,319.87

Step by Step Solution

1. Step 1: Write the proportion equation
   140,981.82 : 194,555.01 = 77,319.87 : x
2. Step 2: Convert to fraction form
   140,981.82/194,555.01 = 77,319.87/x
3. Step 3: Cross multiply
   140,981.82x = 194,555.01 × 77,319.87
4. Step 4: Simplify right side
   140,981.82x = 15,042,968,081.05
5. Step 5: Solve for x
   x = 15,042,968,081.05/140,981.82
6. Step 6: Final answer
   x = 106,701.47