Finding the Fourth Proportional to 113,055.63, 156,031.56 and 65,309.37

Step by Step Solution

1. Step 1: Write the proportion equation
   113,055.63 : 156,031.56 = 65,309.37 : x
2. Step 2: Convert to fraction form
   113,055.63/156,031.56 = 65,309.37/x
3. Step 3: Cross multiply
   113,055.63x = 156,031.56 × 65,309.37
4. Step 4: Simplify right side
   113,055.63x = 10,190,322,883.72
5. Step 5: Solve for x
   x = 10,190,322,883.72/113,055.63
6. Step 6: Final answer
   x = 90,135.47