Finding the Fourth Proportional to 113,709.34, 156,800.17 and 79,294.09

Step by Step Solution

1. Step 1: Write the proportion equation
   113,709.34 : 156,800.17 = 79,294.09 : x
2. Step 2: Convert to fraction form
   113,709.34/156,800.17 = 79,294.09/x
3. Step 3: Cross multiply
   113,709.34x = 156,800.17 × 79,294.09
4. Step 4: Simplify right side
   113,709.34x = 12,433,326,792.00
5. Step 5: Solve for x
   x = 12,433,326,792.00/113,709.34
6. Step 6: Final answer
   x = 109,343.06