Finding the Fourth Proportional to 215,066.55, 296,784.06 and 118,269.59

Step by Step Solution

1. Step 1: Write the proportion equation
   215,066.55 : 296,784.06 = 118,269.59 : x
2. Step 2: Convert to fraction form
   215,066.55/296,784.06 = 118,269.59/x
3. Step 3: Cross multiply
   215,066.55x = 296,784.06 × 118,269.59
4. Step 4: Simplify right side
   215,066.55x = 35,100,527,610.82
5. Step 5: Solve for x
   x = 35,100,527,610.82/215,066.55
6. Step 6: Final answer
   x = 163,207.75