Finding the Fourth Proportional to 215,058.89, 296,788.73 and 118,266.71

Step by Step Solution

1. Step 1: Write the proportion equation
   215,058.89 : 296,788.73 = 118,266.71 : x
2. Step 2: Convert to fraction form
   215,058.89/296,788.73 = 118,266.71/x
3. Step 3: Cross multiply
   215,058.89x = 296,788.73 × 118,266.71
4. Step 4: Simplify right side
   215,058.89x = 35,100,224,586.90
5. Step 5: Solve for x
   x = 35,100,224,586.90/215,058.89
6. Step 6: Final answer
   x = 163,212.15