Finding the Fourth Proportional to 140,885.52, 194,427 and 77,223.30

Step by Step Solution

1. Step 1: Write the proportion equation
   140,885.52 : 194,427 = 77,223.30 : x
2. Step 2: Convert to fraction form
   140,885.52/194,427 = 77,223.30/x
3. Step 3: Cross multiply
   140,885.52x = 194,427 × 77,223.30
4. Step 4: Simplify right side
   140,885.52x = 15,014,294,549.10
5. Step 5: Solve for x
   x = 15,014,294,549.10/140,885.52
6. Step 6: Final answer
   x = 106,570.88