Finding the Fourth Proportional to 73,700, 101,706.72 and 40,166.72

Step by Step Solution

1. Step 1: Write the proportion equation
   73,700 : 101,706.72 = 40,166.72 : x
2. Step 2: Convert to fraction form
   73,700/101,706.72 = 40,166.72/x
3. Step 3: Cross multiply
   73,700x = 101,706.72 × 40,166.72
4. Step 4: Simplify right side
   73,700x = 4,085,225,344.36
5. Step 5: Solve for x
   x = 4,085,225,344.36/73,700
6. Step 6: Final answer
   x = 55,430.47