Finding the Fourth Proportional to 113,493.88, 156,615.53 and 65,093.30

Step by Step Solution

1. Step 1: Write the proportion equation
   113,493.88 : 156,615.53 = 65,093.30 : x
2. Step 2: Convert to fraction form
   113,493.88/156,615.53 = 65,093.30/x
3. Step 3: Cross multiply
   113,493.88x = 156,615.53 × 65,093.30
4. Step 4: Simplify right side
   113,493.88x = 10,194,621,678.95
5. Step 5: Solve for x
   x = 10,194,621,678.95/113,493.88
6. Step 6: Final answer
   x = 89,825.30