Finding the Fourth Proportional to 215,151.84, 296,907.91 and 118,353.62

Step by Step Solution

1. Step 1: Write the proportion equation
   215,151.84 : 296,907.91 = 118,353.62 : x
2. Step 2: Convert to fraction form
   215,151.84/296,907.91 = 118,353.62/x
3. Step 3: Cross multiply
   215,151.84x = 296,907.91 × 118,353.62
4. Step 4: Simplify right side
   215,151.84x = 35,140,123,878.83
5. Step 5: Solve for x
   x = 35,140,123,878.83/215,151.84
6. Step 6: Final answer
   x = 163,327.09