Finding the Fourth Proportional to 112,700.74, 155,516.24 and 67,369.72

Step by Step Solution

1. Step 1: Write the proportion equation
   112,700.74 : 155,516.24 = 67,369.72 : x
2. Step 2: Convert to fraction form
   112,700.74/155,516.24 = 67,369.72/x
3. Step 3: Cross multiply
   112,700.74x = 155,516.24 × 67,369.72
4. Step 4: Simplify right side
   112,700.74x = 10,477,085,544.25
5. Step 5: Solve for x
   x = 10,477,085,544.25/112,700.74
6. Step 6: Final answer
   x = 92,963.77