Finding the Fourth Proportional to 134,139.88, 185,118.42 and 76,788.52

Step by Step Solution

1. Step 1: Write the proportion equation
   134,139.88 : 185,118.42 = 76,788.52 : x
2. Step 2: Convert to fraction form
   134,139.88/185,118.42 = 76,788.52/x
3. Step 3: Cross multiply
   134,139.88x = 185,118.42 × 76,788.52
4. Step 4: Simplify right side
   134,139.88x = 14,214,969,496.54
5. Step 5: Solve for x
   x = 14,214,969,496.54/134,139.88
6. Step 6: Final answer
   x = 105,971.24