Finding the Fourth Proportional to 199,618.32, 275,528.88 and 114,762.72

Step by Step Solution

1. Step 1: Write the proportion equation
   199,618.32 : 275,528.88 = 114,762.72 : x
2. Step 2: Convert to fraction form
   199,618.32/275,528.88 = 114,762.72/x
3. Step 3: Cross multiply
   199,618.32x = 275,528.88 × 114,762.72
4. Step 4: Simplify right side
   199,618.32x = 31,620,443,707.35
5. Step 5: Solve for x
   x = 31,620,443,707.35/199,618.32
6. Step 6: Final answer
   x = 158,404.52