Finding the Fourth Proportional to 254,105.10, 350,641.59 and 140,905.98

Step by Step Solution

1. Step 1: Write the proportion equation
   254,105.10 : 350,641.59 = 140,905.98 : x
2. Step 2: Convert to fraction form
   254,105.10/350,641.59 = 140,905.98/x
3. Step 3: Cross multiply
   254,105.10x = 350,641.59 × 140,905.98
4. Step 4: Simplify right side
   254,105.10x = 49,407,496,867.71
5. Step 5: Solve for x
   x = 49,407,496,867.71/254,105.10
6. Step 6: Final answer
   x = 194,437.25