Finding the Fourth Proportional to 101,992.28, 152,832.49 and 68,588.69

Step by Step Solution

1. Step 1: Write the proportion equation
   101,992.28 : 152,832.49 = 68,588.69 : x
2. Step 2: Convert to fraction form
   101,992.28/152,832.49 = 68,588.69/x
3. Step 3: Cross multiply
   101,992.28x = 152,832.49 × 68,588.69
4. Step 4: Simplify right side
   101,992.28x = 10,482,579,342.90
5. Step 5: Solve for x
   x = 10,482,579,342.90/101,992.28
6. Step 6: Final answer
   x = 102,778.17