Finding the Fourth Proportional to 79,160.34, 109,239.93 and 42,861.50

Step by Step Solution

1. Step 1: Write the proportion equation
   79,160.34 : 109,239.93 = 42,861.50 : x
2. Step 2: Convert to fraction form
   79,160.34/109,239.93 = 42,861.50/x
3. Step 3: Cross multiply
   79,160.34x = 109,239.93 × 42,861.50
4. Step 4: Simplify right side
   79,160.34x = 4,682,186,713.50
5. Step 5: Solve for x
   x = 4,682,186,713.50/79,160.34
6. Step 6: Final answer
   x = 59,148.14