Finding the Fourth Proportional to 131,770.71, 181,769.81 and 78,003.33

Step by Step Solution

1. Step 1: Write the proportion equation
   131,770.71 : 181,769.81 = 78,003.33 : x
2. Step 2: Convert to fraction form
   131,770.71/181,769.81 = 78,003.33/x
3. Step 3: Cross multiply
   131,770.71x = 181,769.81 × 78,003.33
4. Step 4: Simplify right side
   131,770.71x = 14,178,650,083.45
5. Step 5: Solve for x
   x = 14,178,650,083.45/131,770.71
6. Step 6: Final answer
   x = 107,600.92