Finding the Fourth Proportional to 353,981.86, 530,684.55 and 164,561.69

Step by Step Solution

1. Step 1: Write the proportion equation
   353,981.86 : 530,684.55 = 164,561.69 : x
2. Step 2: Convert to fraction form
   353,981.86/530,684.55 = 164,561.69/x
3. Step 3: Cross multiply
   353,981.86x = 530,684.55 × 164,561.69
4. Step 4: Simplify right side
   353,981.86x = 87,330,346,404.89
5. Step 5: Solve for x
   x = 87,330,346,404.89/353,981.86
6. Step 6: Final answer
   x = 246,708.54