Finding the Fourth Proportional to 201,115.86, 301,401.62 and 76,388.82

Step by Step Solution

1. Step 1: Write the proportion equation
   201,115.86 : 301,401.62 = 76,388.82 : x
2. Step 2: Convert to fraction form
   201,115.86/301,401.62 = 76,388.82/x
3. Step 3: Cross multiply
   201,115.86x = 301,401.62 × 76,388.82
4. Step 4: Simplify right side
   201,115.86x = 23,023,714,097.89
5. Step 5: Solve for x
   x = 23,023,714,097.89/201,115.86
6. Step 6: Final answer
   x = 114,479.85