Finding the Fourth Proportional to 113,593.35, 156,759.43 and 65,191.42

Step by Step Solution

1. Step 1: Write the proportion equation
   113,593.35 : 156,759.43 = 65,191.42 : x
2. Step 2: Convert to fraction form
   113,593.35/156,759.43 = 65,191.42/x
3. Step 3: Cross multiply
   113,593.35x = 156,759.43 × 65,191.42
4. Step 4: Simplify right side
   113,593.35x = 10,219,368,893.31
5. Step 5: Solve for x
   x = 10,219,368,893.31/113,593.35
6. Step 6: Final answer
   x = 89,964.50