Finding the Fourth Proportional to 113,154.84, 156,258.72 and 72,962.64

Step by Step Solution

1. Step 1: Write the proportion equation
   113,154.84 : 156,258.72 = 72,962.64 : x
2. Step 2: Convert to fraction form
   113,154.84/156,258.72 = 72,962.64/x
3. Step 3: Cross multiply
   113,154.84x = 156,258.72 × 72,962.64
4. Step 4: Simplify right side
   113,154.84x = 11,401,048,734.22
5. Step 5: Solve for x
   x = 11,401,048,734.22/113,154.84
6. Step 6: Final answer
   x = 100,756.17