Finding the Fourth Proportional to 113,453.82, 156,580.95 and 65,074.62

Step by Step Solution

1. Step 1: Write the proportion equation
   113,453.82 : 156,580.95 = 65,074.62 : x
2. Step 2: Convert to fraction form
   113,453.82/156,580.95 = 65,074.62/x
3. Step 3: Cross multiply
   113,453.82x = 156,580.95 × 65,074.62
4. Step 4: Simplify right side
   113,453.82x = 10,189,445,820.49
5. Step 5: Solve for x
   x = 10,189,445,820.49/113,453.82
6. Step 6: Final answer
   x = 89,811.39