Finding the Fourth Proportional to 252,991.50, 349,123.59 and 139,811.82

Step by Step Solution

1. Step 1: Write the proportion equation
   252,991.50 : 349,123.59 = 139,811.82 : x
2. Step 2: Convert to fraction form
   252,991.50/349,123.59 = 139,811.82/x
3. Step 3: Cross multiply
   252,991.50x = 349,123.59 × 139,811.82
4. Step 4: Simplify right side
   252,991.50x = 48,811,604,522.83
5. Step 5: Solve for x
   x = 48,811,604,522.83/252,991.50
6. Step 6: Final answer
   x = 192,937.73