Finding the Fourth Proportional to 140,772.01, 194,265.42 and 77,112.10

Step by Step Solution

1. Step 1: Write the proportion equation
   140,772.01 : 194,265.42 = 77,112.10 : x
2. Step 2: Convert to fraction form
   140,772.01/194,265.42 = 77,112.10/x
3. Step 3: Cross multiply
   140,772.01x = 194,265.42 × 77,112.10
4. Step 4: Simplify right side
   140,772.01x = 14,980,214,493.58
5. Step 5: Solve for x
   x = 14,980,214,493.58/140,772.01
6. Step 6: Final answer
   x = 106,414.72