Finding the Fourth Proportional to 212,363.73, 293,061.78 and 116,870.42

Step by Step Solution

1. Step 1: Write the proportion equation
   212,363.73 : 293,061.78 = 116,870.42 : x
2. Step 2: Convert to fraction form
   212,363.73/293,061.78 = 116,870.42/x
3. Step 3: Cross multiply
   212,363.73x = 293,061.78 × 116,870.42
4. Step 4: Simplify right side
   212,363.73x = 34,250,254,047.20
5. Step 5: Solve for x
   x = 34,250,254,047.20/212,363.73
6. Step 6: Final answer
   x = 161,281.09