Finding the Fourth Proportional to 218,468.16, 327,829.59 and 92,100.69

Step by Step Solution

1. Step 1: Write the proportion equation
   218,468.16 : 327,829.59 = 92,100.69 : x
2. Step 2: Convert to fraction form
   218,468.16/327,829.59 = 92,100.69/x
3. Step 3: Cross multiply
   218,468.16x = 327,829.59 × 92,100.69
4. Step 4: Simplify right side
   218,468.16x = 30,193,331,441.42
5. Step 5: Solve for x
   x = 30,193,331,441.42/218,468.16
6. Step 6: Final answer
   x = 138,204.72