Finding the Fourth Proportional to 72,912.72, 100,626.72 and 42,696.24

Step by Step Solution

1. Step 1: Write the proportion equation
   72,912.72 : 100,626.72 = 42,696.24 : x
2. Step 2: Convert to fraction form
   72,912.72/100,626.72 = 42,696.24/x
3. Step 3: Cross multiply
   72,912.72x = 100,626.72 × 42,696.24
4. Step 4: Simplify right side
   72,912.72x = 4,296,382,587.53
5. Step 5: Solve for x
   x = 4,296,382,587.53/72,912.72
6. Step 6: Final answer
   x = 58,925.01