Finding the Fourth Proportional to 312,155.41, 468,233.34 and 75,498.32

Step by Step Solution

1. Step 1: Write the proportion equation
   312,155.41 : 468,233.34 = 75,498.32 : x
2. Step 2: Convert to fraction form
   312,155.41/468,233.34 = 75,498.32/x
3. Step 3: Cross multiply
   312,155.41x = 468,233.34 × 75,498.32
4. Step 4: Simplify right side
   312,155.41x = 35,350,828,852.89
5. Step 5: Solve for x
   x = 35,350,828,852.89/312,155.41
6. Step 6: Final answer
   x = 113,247.53