Finding the Fourth Proportional to 104,714.07, 144,440.61 and 91,317.48

Step by Step Solution

1. Step 1: Write the proportion equation
   104,714.07 : 144,440.61 = 91,317.48 : x
2. Step 2: Convert to fraction form
   104,714.07/144,440.61 = 91,317.48/x
3. Step 3: Cross multiply
   104,714.07x = 144,440.61 × 91,317.48
4. Step 4: Simplify right side
   104,714.07x = 13,189,952,514.86
5. Step 5: Solve for x
   x = 13,189,952,514.86/104,714.07
6. Step 6: Final answer
   x = 125,961.61