Finding the Fourth Proportional to 140,082.84, 193,314.84 and 76,421.96

Step by Step Solution

1. Step 1: Write the proportion equation
   140,082.84 : 193,314.84 = 76,421.96 : x
2. Step 2: Convert to fraction form
   140,082.84/193,314.84 = 76,421.96/x
3. Step 3: Cross multiply
   140,082.84x = 193,314.84 × 76,421.96
4. Step 4: Simplify right side
   140,082.84x = 14,773,498,969.89
5. Step 5: Solve for x
   x = 14,773,498,969.89/140,082.84
6. Step 6: Final answer
   x = 105,462.59