Finding the Fourth Proportional to 79,215.48, 109,317.30 and 43,407.72

Step by Step Solution

1. Step 1: Write the proportion equation
   79,215.48 : 109,317.30 = 43,407.72 : x
2. Step 2: Convert to fraction form
   79,215.48/109,317.30 = 43,407.72/x
3. Step 3: Cross multiply
   79,215.48x = 109,317.30 × 43,407.72
4. Step 4: Simplify right side
   79,215.48x = 4,745,214,749.56
5. Step 5: Solve for x
   x = 4,745,214,749.56/79,215.48
6. Step 6: Final answer
   x = 59,902.62