Finding the Fourth Proportional to 79,187.60, 109,315.34 and 46,920.08

Step by Step Solution

1. Step 1: Write the proportion equation
   79,187.60 : 109,315.34 = 46,920.08 : x
2. Step 2: Convert to fraction form
   79,187.60/109,315.34 = 46,920.08/x
3. Step 3: Cross multiply
   79,187.60x = 109,315.34 × 46,920.08
4. Step 4: Simplify right side
   79,187.60x = 5,129,084,498.03
5. Step 5: Solve for x
   x = 5,129,084,498.03/79,187.60
6. Step 6: Final answer
   x = 64,771.31