Finding the Fourth Proportional to 113,150.23, 156,129.98 and 65,394.36

Step by Step Solution

1. Step 1: Write the proportion equation
   113,150.23 : 156,129.98 = 65,394.36 : x
2. Step 2: Convert to fraction form
   113,150.23/156,129.98 = 65,394.36/x
3. Step 3: Cross multiply
   113,150.23x = 156,129.98 × 65,394.36
4. Step 4: Simplify right side
   113,150.23x = 10,210,019,791.94
5. Step 5: Solve for x
   x = 10,210,019,791.94/113,150.23
6. Step 6: Final answer
   x = 90,234.20