Finding the Fourth Proportional to 253,009.70, 379,139.25 and 103,066.82

Step by Step Solution

1. Step 1: Write the proportion equation
   253,009.70 : 379,139.25 = 103,066.82 : x
2. Step 2: Convert to fraction form
   253,009.70/379,139.25 = 103,066.82/x
3. Step 3: Cross multiply
   253,009.70x = 379,139.25 × 103,066.82
4. Step 4: Simplify right side
   253,009.70x = 39,076,676,834.69
5. Step 5: Solve for x
   x = 39,076,676,834.69/253,009.70
6. Step 6: Final answer
   x = 154,447.35