Finding the Fourth Proportional to 140,965.72, 194,541.55 and 77,303.53

Step by Step Solution

1. Step 1: Write the proportion equation
   140,965.72 : 194,541.55 = 77,303.53 : x
2. Step 2: Convert to fraction form
   140,965.72/194,541.55 = 77,303.53/x
3. Step 3: Cross multiply
   140,965.72x = 194,541.55 × 77,303.53
4. Step 4: Simplify right side
   140,965.72x = 15,038,748,596.59
5. Step 5: Solve for x
   x = 15,038,748,596.59/140,965.72
6. Step 6: Final answer
   x = 106,683.73