Finding the Fourth Proportional to 151,020.72, 208,408.74 and 83,038.83

Step by Step Solution

1. Step 1: Write the proportion equation
   151,020.72 : 208,408.74 = 83,038.83 : x
2. Step 2: Convert to fraction form
   151,020.72/208,408.74 = 83,038.83/x
3. Step 3: Cross multiply
   151,020.72x = 208,408.74 × 83,038.83
4. Step 4: Simplify right side
   151,020.72x = 17,306,017,931.37
5. Step 5: Solve for x
   x = 17,306,017,931.37/151,020.72
6. Step 6: Final answer
   x = 114,593.67