Finding the Fourth Proportional to 253,003.50, 349,140.15 and 139,823.82

Step by Step Solution

1. Step 1: Write the proportion equation
   253,003.50 : 349,140.15 = 139,823.82 : x
2. Step 2: Convert to fraction form
   253,003.50/349,140.15 = 139,823.82/x
3. Step 3: Cross multiply
   253,003.50x = 349,140.15 × 139,823.82
4. Step 4: Simplify right side
   253,003.50x = 48,818,109,488.37
5. Step 5: Solve for x
   x = 48,818,109,488.37/253,003.50
6. Step 6: Final answer
   x = 192,954.29