Finding the Fourth Proportional to 113,296.34, 156,368.52 and 65,576

Step by Step Solution

1. Step 1: Write the proportion equation
   113,296.34 : 156,368.52 = 65,576 : x
2. Step 2: Convert to fraction form
   113,296.34/156,368.52 = 65,576/x
3. Step 3: Cross multiply
   113,296.34x = 156,368.52 × 65,576
4. Step 4: Simplify right side
   113,296.34x = 10,254,022,067.52
5. Step 5: Solve for x
   x = 10,254,022,067.52/113,296.34
6. Step 6: Final answer
   x = 90,506.21