Finding the Fourth Proportional to 215,118.51, 296,870.79 and 118,326.48

Step by Step Solution

1. Step 1: Write the proportion equation
   215,118.51 : 296,870.79 = 118,326.48 : x
2. Step 2: Convert to fraction form
   215,118.51/296,870.79 = 118,326.48/x
3. Step 3: Cross multiply
   215,118.51x = 296,870.79 × 118,326.48
4. Step 4: Simplify right side
   215,118.51x = 35,127,675,595.52
5. Step 5: Solve for x
   x = 35,127,675,595.52/215,118.51
6. Step 6: Final answer
   x = 163,294.53