Finding the Fourth Proportional to 253,070.78, 349,241.82 and 151,105.15

Step by Step Solution

1. Step 1: Write the proportion equation
   253,070.78 : 349,241.82 = 151,105.15 : x
2. Step 2: Convert to fraction form
   253,070.78/349,241.82 = 151,105.15/x
3. Step 3: Cross multiply
   253,070.78x = 349,241.82 × 151,105.15
4. Step 4: Simplify right side
   253,070.78x = 52,772,237,007.59
5. Step 5: Solve for x
   x = 52,772,237,007.59/253,070.78
6. Step 6: Final answer
   x = 208,527.58