Finding the Fourth Proportional to 140,156.48, 210,123.12 and 80,924.96

Step by Step Solution

1. Step 1: Write the proportion equation
   140,156.48 : 210,123.12 = 80,924.96 : x
2. Step 2: Convert to fraction form
   140,156.48/210,123.12 = 80,924.96/x
3. Step 3: Cross multiply
   140,156.48x = 210,123.12 × 80,924.96
4. Step 4: Simplify right side
   140,156.48x = 17,004,205,081.08
5. Step 5: Solve for x
   x = 17,004,205,081.08/140,156.48
6. Step 6: Final answer
   x = 121,323.00