Finding the Fourth Proportional to 86,230.72, 118,934.72 and 59,381.76

Step by Step Solution

1. Step 1: Write the proportion equation
   86,230.72 : 118,934.72 = 59,381.76 : x
2. Step 2: Convert to fraction form
   86,230.72/118,934.72 = 59,381.76/x
3. Step 3: Cross multiply
   86,230.72x = 118,934.72 × 59,381.76
4. Step 4: Simplify right side
   86,230.72x = 7,062,552,998.71
5. Step 5: Solve for x
   x = 7,062,552,998.71/86,230.72
6. Step 6: Final answer
   x = 81,902.98