Finding the Fourth Proportional to 259,066.91, 388,652.76 and 109,307.52

Step by Step Solution

1. Step 1: Write the proportion equation
   259,066.91 : 388,652.76 = 109,307.52 : x
2. Step 2: Convert to fraction form
   259,066.91/388,652.76 = 109,307.52/x
3. Step 3: Cross multiply
   259,066.91x = 388,652.76 × 109,307.52
4. Step 4: Simplify right side
   259,066.91x = 42,482,669,336.76
5. Step 5: Solve for x
   x = 42,482,669,336.76/259,066.91
6. Step 6: Final answer
   x = 163,983.39