Finding the Fourth Proportional to 113,726.70, 156,950.20 and 65,996.10

Step by Step Solution

1. Step 1: Write the proportion equation
   113,726.70 : 156,950.20 = 65,996.10 : x
2. Step 2: Convert to fraction form
   113,726.70/156,950.20 = 65,996.10/x
3. Step 3: Cross multiply
   113,726.70x = 156,950.20 × 65,996.10
4. Step 4: Simplify right side
   113,726.70x = 10,358,101,094.22
5. Step 5: Solve for x
   x = 10,358,101,094.22/113,726.70
6. Step 6: Final answer
   x = 91,078.89