Finding the Fourth Proportional to 91,113.45, 136,653.06 and 73,447.24

Step by Step Solution

1. Step 1: Write the proportion equation
   91,113.45 : 136,653.06 = 73,447.24 : x
2. Step 2: Convert to fraction form
   91,113.45/136,653.06 = 73,447.24/x
3. Step 3: Cross multiply
   91,113.45x = 136,653.06 × 73,447.24
4. Step 4: Simplify right side
   91,113.45x = 10,036,790,094.55
5. Step 5: Solve for x
   x = 10,036,790,094.55/91,113.45
6. Step 6: Final answer
   x = 110,157.06