Finding the Fourth Proportional to 113,104.86, 169,656.69 and 53,133.03

Step by Step Solution

1. Step 1: Write the proportion equation
   113,104.86 : 169,656.69 = 53,133.03 : x
2. Step 2: Convert to fraction form
   113,104.86/169,656.69 = 53,133.03/x
3. Step 3: Cross multiply
   113,104.86x = 169,656.69 × 53,133.03
4. Step 4: Simplify right side
   113,104.86x = 9,014,374,198.72
5. Step 5: Solve for x
   x = 9,014,374,198.72/113,104.86
6. Step 6: Final answer
   x = 79,699.27