Finding the Fourth Proportional to 202,870.98, 279,982.88 and 116,832.78

Step by Step Solution

1. Step 1: Write the proportion equation
   202,870.98 : 279,982.88 = 116,832.78 : x
2. Step 2: Convert to fraction form
   202,870.98/279,982.88 = 116,832.78/x
3. Step 3: Cross multiply
   202,870.98x = 279,982.88 × 116,832.78
4. Step 4: Simplify right side
   202,870.98x = 32,711,178,076.77
5. Step 5: Solve for x
   x = 32,711,178,076.77/202,870.98
6. Step 6: Final answer
   x = 161,241.29