Finding the Fourth Proportional to 212,221.89, 292,870.89 and 116,733.42

Step by Step Solution

1. Step 1: Write the proportion equation
   212,221.89 : 292,870.89 = 116,733.42 : x
2. Step 2: Convert to fraction form
   212,221.89/292,870.89 = 116,733.42/x
3. Step 3: Cross multiply
   212,221.89x = 292,870.89 × 116,733.42
4. Step 4: Simplify right side
   212,221.89x = 34,187,820,608.14
5. Step 5: Solve for x
   x = 34,187,820,608.14/212,221.89
6. Step 6: Final answer
   x = 161,094.69