Finding the Fourth Proportional to 215,061.12, 322,657.28 and 109,953.88

Step by Step Solution

1. Step 1: Write the proportion equation
   215,061.12 : 322,657.28 = 109,953.88 : x
2. Step 2: Convert to fraction form
   215,061.12/322,657.28 = 109,953.88/x
3. Step 3: Cross multiply
   215,061.12x = 322,657.28 × 109,953.88
4. Step 4: Simplify right side
   215,061.12x = 35,477,419,846.25
5. Step 5: Solve for x
   x = 35,477,419,846.25/215,061.12
6. Step 6: Final answer
   x = 164,964.36