Finding the Fourth Proportional to 212,080.72, 292,667.52 and 116,586.52

Step by Step Solution

1. Step 1: Write the proportion equation
   212,080.72 : 292,667.52 = 116,586.52 : x
2. Step 2: Convert to fraction form
   212,080.72/292,667.52 = 116,586.52/x
3. Step 3: Cross multiply
   212,080.72x = 292,667.52 × 116,586.52
4. Step 4: Simplify right side
   212,080.72x = 34,121,087,673.83
5. Step 5: Solve for x
   x = 34,121,087,673.83/212,080.72
6. Step 6: Final answer
   x = 160,887.27