Finding the Fourth Proportional to 79,625.60, 109,928.64 and 52,804.31

Step by Step Solution

1. Step 1: Write the proportion equation
   79,625.60 : 109,928.64 = 52,804.31 : x
2. Step 2: Convert to fraction form
   79,625.60/109,928.64 = 52,804.31/x
3. Step 3: Cross multiply
   79,625.60x = 109,928.64 × 52,804.31
4. Step 4: Simplify right side
   79,625.60x = 5,804,705,434.80
5. Step 5: Solve for x
   x = 5,804,705,434.80/79,625.60
6. Step 6: Final answer
   x = 72,899.99