Finding the Fourth Proportional to 113,101.40, 156,067.98 and 65,369.90

Step by Step Solution

1. Step 1: Write the proportion equation
   113,101.40 : 156,067.98 = 65,369.90 : x
2. Step 2: Convert to fraction form
   113,101.40/156,067.98 = 65,369.90/x
3. Step 3: Cross multiply
   113,101.40x = 156,067.98 × 65,369.90
4. Step 4: Simplify right side
   113,101.40x = 10,202,148,390.83
5. Step 5: Solve for x
   x = 10,202,148,390.83/113,101.40
6. Step 6: Final answer
   x = 90,203.55