Finding the Fourth Proportional to 215,274.72, 297,053.28 and 124,659.12

Step by Step Solution

1. Step 1: Write the proportion equation
   215,274.72 : 297,053.28 = 124,659.12 : x
2. Step 2: Convert to fraction form
   215,274.72/297,053.28 = 124,659.12/x
3. Step 3: Cross multiply
   215,274.72x = 297,053.28 × 124,659.12
4. Step 4: Simplify right side
   215,274.72x = 37,030,400,477.91
5. Step 5: Solve for x
   x = 37,030,400,477.91/215,274.72
6. Step 6: Final answer
   x = 172,014.63