Finding the Fourth Proportional to 215,074.62, 296,810.59 and 118,285.96

Step by Step Solution

1. Step 1: Write the proportion equation
   215,074.62 : 296,810.59 = 118,285.96 : x
2. Step 2: Convert to fraction form
   215,074.62/296,810.59 = 118,285.96/x
3. Step 3: Cross multiply
   215,074.62x = 296,810.59 × 118,285.96
4. Step 4: Simplify right side
   215,074.62x = 35,108,525,524.04
5. Step 5: Solve for x
   x = 35,108,525,524.04/215,074.62
6. Step 6: Final answer
   x = 163,238.81