Finding the Fourth Proportional to 140,656.50, 194,098.52 and 76,981.98

Step by Step Solution

1. Step 1: Write the proportion equation
   140,656.50 : 194,098.52 = 76,981.98 : x
2. Step 2: Convert to fraction form
   140,656.50/194,098.52 = 76,981.98/x
3. Step 3: Cross multiply
   140,656.50x = 194,098.52 × 76,981.98
4. Step 4: Simplify right side
   140,656.50x = 14,942,087,999.76
5. Step 5: Solve for x
   x = 14,942,087,999.76/140,656.50
6. Step 6: Final answer
   x = 106,231.05