Finding the Fourth Proportional to 215,003.42, 322,505.86 and 65,244.96

Step by Step Solution

1. Step 1: Write the proportion equation
   215,003.42 : 322,505.86 = 65,244.96 : x
2. Step 2: Convert to fraction form
   215,003.42/322,505.86 = 65,244.96/x
3. Step 3: Cross multiply
   215,003.42x = 322,505.86 × 65,244.96
4. Step 4: Simplify right side
   215,003.42x = 21,041,881,935.47
5. Step 5: Solve for x
   x = 21,041,881,935.47/215,003.42
6. Step 6: Final answer
   x = 97,867.66