Finding the Fourth Proportional to 98,786.82, 136,326.00 and 53,464.89

Step by Step Solution

1. Step 1: Write the proportion equation
   98,786.82 : 136,326.00 = 53,464.89 : x
2. Step 2: Convert to fraction form
   98,786.82/136,326.00 = 53,464.89/x
3. Step 3: Cross multiply
   98,786.82x = 136,326.00 × 53,464.89
4. Step 4: Simplify right side
   98,786.82x = 7,288,655,305.86
5. Step 5: Solve for x
   x = 7,288,655,305.86/98,786.82
6. Step 6: Final answer
   x = 73,781.65