Finding the Fourth Proportional to 215,058.50, 322,386.24 and 72,804.27

Step by Step Solution

1. Step 1: Write the proportion equation
   215,058.50 : 322,386.24 = 72,804.27 : x
2. Step 2: Convert to fraction form
   215,058.50/322,386.24 = 72,804.27/x
3. Step 3: Cross multiply
   215,058.50x = 322,386.24 × 72,804.27
4. Step 4: Simplify right side
   215,058.50x = 23,471,094,861.24
5. Step 5: Solve for x
   x = 23,471,094,861.24/215,058.50
6. Step 6: Final answer
   x = 109,138.19