Finding the Fourth Proportional to 248,756.82, 373,018.59 and 90,874.86

Step by Step Solution

1. Step 1: Write the proportion equation
   248,756.82 : 373,018.59 = 90,874.86 : x
2. Step 2: Convert to fraction form
   248,756.82/373,018.59 = 90,874.86/x
3. Step 3: Cross multiply
   248,756.82x = 373,018.59 × 90,874.86
4. Step 4: Simplify right side
   248,756.82x = 33,898,012,143.65
5. Step 5: Solve for x
   x = 33,898,012,143.65/248,756.82
6. Step 6: Final answer
   x = 136,269.68