Finding the Fourth Proportional to 109,321.63, 150,874.58 and 63,996.86

Step by Step Solution

1. Step 1: Write the proportion equation
   109,321.63 : 150,874.58 = 63,996.86 : x
2. Step 2: Convert to fraction form
   109,321.63/150,874.58 = 63,996.86/x
3. Step 3: Cross multiply
   109,321.63x = 150,874.58 × 63,996.86
4. Step 4: Simplify right side
   109,321.63x = 9,655,499,373.82
5. Step 5: Solve for x
   x = 9,655,499,373.82/109,321.63
6. Step 6: Final answer
   x = 88,321.95