Finding the Fourth Proportional to 79,743.32, 109,917.50 and 53,893.77

Step by Step Solution

1. Step 1: Write the proportion equation
   79,743.32 : 109,917.50 = 53,893.77 : x
2. Step 2: Convert to fraction form
   79,743.32/109,917.50 = 53,893.77/x
3. Step 3: Cross multiply
   79,743.32x = 109,917.50 × 53,893.77
4. Step 4: Simplify right side
   79,743.32x = 5,923,868,194.51
5. Step 5: Solve for x
   x = 5,923,868,194.51/79,743.32
6. Step 6: Final answer
   x = 74,286.71