Finding the Fourth Proportional to 140,791.04, 194,293.32 and 77,131.52

Step by Step Solution

1. Step 1: Write the proportion equation
   140,791.04 : 194,293.32 = 77,131.52 : x
2. Step 2: Convert to fraction form
   140,791.04/194,293.32 = 77,131.52/x
3. Step 3: Cross multiply
   140,791.04x = 194,293.32 × 77,131.52
4. Step 4: Simplify right side
   140,791.04x = 14,986,139,097.45
5. Step 5: Solve for x
   x = 14,986,139,097.45/140,791.04
6. Step 6: Final answer
   x = 106,442.42