Finding the Fourth Proportional to 312,499.43, 468,776.83 and 87,861.82

Step by Step Solution

1. Step 1: Write the proportion equation
   312,499.43 : 468,776.83 = 87,861.82 : x
2. Step 2: Convert to fraction form
   312,499.43/468,776.83 = 87,861.82/x
3. Step 3: Cross multiply
   312,499.43x = 468,776.83 × 87,861.82
4. Step 4: Simplify right side
   312,499.43x = 41,187,582,674.44
5. Step 5: Solve for x
   x = 41,187,582,674.44/312,499.43
6. Step 6: Final answer
   x = 131,800.51