Finding the Fourth Proportional to 140,045.29, 193,262.39 and 76,382.89

Step by Step Solution

1. Step 1: Write the proportion equation
   140,045.29 : 193,262.39 = 76,382.89 : x
2. Step 2: Convert to fraction form
   140,045.29/193,262.39 = 76,382.89/x
3. Step 3: Cross multiply
   140,045.29x = 193,262.39 × 76,382.89
4. Step 4: Simplify right side
   140,045.29x = 14,761,939,494.59
5. Step 5: Solve for x
   x = 14,761,939,494.59/140,045.29
6. Step 6: Final answer
   x = 105,408.33