Finding the Fourth Proportional to 209,255.63, 288,776.06 and 113,762.69

Step by Step Solution

1. Step 1: Write the proportion equation
   209,255.63 : 288,776.06 = 113,762.69 : x
2. Step 2: Convert to fraction form
   209,255.63/288,776.06 = 113,762.69/x
3. Step 3: Cross multiply
   209,255.63x = 288,776.06 × 113,762.69
4. Step 4: Simplify right side
   209,255.63x = 32,851,940,824.39
5. Step 5: Solve for x
   x = 32,851,940,824.39/209,255.63
6. Step 6: Final answer
   x = 156,994.30