Finding the Fourth Proportional to 253,515.59, 349,851.59 and 140,338.34

Step by Step Solution

1. Step 1: Write the proportion equation
   253,515.59 : 349,851.59 = 140,338.34 : x
2. Step 2: Convert to fraction form
   253,515.59/349,851.59 = 140,338.34/x
3. Step 3: Cross multiply
   253,515.59x = 349,851.59 × 140,338.34
4. Step 4: Simplify right side
   253,515.59x = 49,097,590,685.27
5. Step 5: Solve for x
   x = 49,097,590,685.27/253,515.59
6. Step 6: Final answer
   x = 193,666.95