Finding the Fourth Proportional to 113,519.34, 156,656.64 and 65,800.34

Step by Step Solution

1. Step 1: Write the proportion equation
   113,519.34 : 156,656.64 = 65,800.34 : x
2. Step 2: Convert to fraction form
   113,519.34/156,656.64 = 65,800.34/x
3. Step 3: Cross multiply
   113,519.34x = 156,656.64 × 65,800.34
4. Step 4: Simplify right side
   113,519.34x = 10,308,060,175.26
5. Step 5: Solve for x
   x = 10,308,060,175.26/113,519.34
6. Step 6: Final answer
   x = 90,804.44