Finding the Fourth Proportional to 215,117.98, 322,694.04 and 65,371.34

Step by Step Solution

1. Step 1: Write the proportion equation
   215,117.98 : 322,694.04 = 65,371.34 : x
2. Step 2: Convert to fraction form
   215,117.98/322,694.04 = 65,371.34/x
3. Step 3: Cross multiply
   215,117.98x = 322,694.04 × 65,371.34
4. Step 4: Simplify right side
   215,117.98x = 21,094,941,804.81
5. Step 5: Solve for x
   x = 21,094,941,804.81/215,117.98
6. Step 6: Final answer
   x = 98,062.20