Finding the Fourth Proportional to 72,912.93, 100,606.37 and 42,696.69

Step by Step Solution

1. Step 1: Write the proportion equation
   72,912.93 : 100,606.37 = 42,696.69 : x
2. Step 2: Convert to fraction form
   72,912.93/100,606.37 = 42,696.69/x
3. Step 3: Cross multiply
   72,912.93x = 100,606.37 × 42,696.69
4. Step 4: Simplify right side
   72,912.93x = 4,295,558,778.43
5. Step 5: Solve for x
   x = 4,295,558,778.43/72,912.93
6. Step 6: Final answer
   x = 58,913.54