Finding the Fourth Proportional to 199,355.76, 275,100.42 and 113,303.25

Step by Step Solution

1. Step 1: Write the proportion equation
   199,355.76 : 275,100.42 = 113,303.25 : x
2. Step 2: Convert to fraction form
   199,355.76/275,100.42 = 113,303.25/x
3. Step 3: Cross multiply
   199,355.76x = 275,100.42 × 113,303.25
4. Step 4: Simplify right side
   199,355.76x = 31,169,771,662.37
5. Step 5: Solve for x
   x = 31,169,771,662.37/199,355.76
6. Step 6: Final answer
   x = 156,352.50