Finding the Fourth Proportional to 199,189.30, 274,870.62 and 114,300.76

Step by Step Solution

1. Step 1: Write the proportion equation
   199,189.30 : 274,870.62 = 114,300.76 : x
2. Step 2: Convert to fraction form
   199,189.30/274,870.62 = 114,300.76/x
3. Step 3: Cross multiply
   199,189.30x = 274,870.62 × 114,300.76
4. Step 4: Simplify right side
   199,189.30x = 31,417,920,767.67
5. Step 5: Solve for x
   x = 31,417,920,767.67/199,189.30
6. Step 6: Final answer
   x = 157,728.96