Finding the Fourth Proportional to 140,761.42, 194,250.81 and 77,100.28

Step by Step Solution

1. Step 1: Write the proportion equation
   140,761.42 : 194,250.81 = 77,100.28 : x
2. Step 2: Convert to fraction form
   140,761.42/194,250.81 = 77,100.28/x
3. Step 3: Cross multiply
   140,761.42x = 194,250.81 × 77,100.28
4. Step 4: Simplify right side
   140,761.42x = 14,976,791,841.23
5. Step 5: Solve for x
   x = 14,976,791,841.23/140,761.42
6. Step 6: Final answer
   x = 106,398.41