Finding the Fourth Proportional to 89,801.58, 134,949 and 83,950.68

Step by Step Solution

1. Step 1: Write the proportion equation
   89,801.58 : 134,949 = 83,950.68 : x
2. Step 2: Convert to fraction form
   89,801.58/134,949 = 83,950.68/x
3. Step 3: Cross multiply
   89,801.58x = 134,949 × 83,950.68
4. Step 4: Simplify right side
   89,801.58x = 11,329,060,315.32
5. Step 5: Solve for x
   x = 11,329,060,315.32/89,801.58
6. Step 6: Final answer
   x = 126,156.58