Finding the Fourth Proportional to 312,500.42, 468,778.31 and 87,862.82

Step by Step Solution

1. Step 1: Write the proportion equation
   312,500.42 : 468,778.31 = 87,862.82 : x
2. Step 2: Convert to fraction form
   312,500.42/468,778.31 = 87,862.82/x
3. Step 3: Cross multiply
   312,500.42x = 468,778.31 × 87,862.82
4. Step 4: Simplify right side
   312,500.42x = 41,188,181,488.23
5. Step 5: Solve for x
   x = 41,188,181,488.23/312,500.42
6. Step 6: Final answer
   x = 131,802.01