Finding the Fourth Proportional to 79,188.30, 109,279.88 and 43,379.60

Step by Step Solution

1. Step 1: Write the proportion equation
   79,188.30 : 109,279.88 = 43,379.60 : x
2. Step 2: Convert to fraction form
   79,188.30/109,279.88 = 43,379.60/x
3. Step 3: Cross multiply
   79,188.30x = 109,279.88 × 43,379.60
4. Step 4: Simplify right side
   79,188.30x = 4,740,516,719.15
5. Step 5: Solve for x
   x = 4,740,516,719.15/79,188.30
6. Step 6: Final answer
   x = 59,863.85