Finding the Fourth Proportional to 140,692.38, 194,155.56 and 77,030.16

Step by Step Solution

1. Step 1: Write the proportion equation
   140,692.38 : 194,155.56 = 77,030.16 : x
2. Step 2: Convert to fraction form
   140,692.38/194,155.56 = 77,030.16/x
3. Step 3: Cross multiply
   140,692.38x = 194,155.56 × 77,030.16
4. Step 4: Simplify right side
   140,692.38x = 14,955,833,851.69
5. Step 5: Solve for x
   x = 14,955,833,851.69/140,692.38
6. Step 6: Final answer
   x = 106,301.66