Finding the Fourth Proportional to 72,716.37, 100,314.90 and 42,502.96

Step by Step Solution

1. Step 1: Write the proportion equation
   72,716.37 : 100,314.90 = 42,502.96 : x
2. Step 2: Convert to fraction form
   72,716.37/100,314.90 = 42,502.96/x
3. Step 3: Cross multiply
   72,716.37x = 100,314.90 × 42,502.96
4. Step 4: Simplify right side
   72,716.37x = 4,263,680,182.10
5. Step 5: Solve for x
   x = 4,263,680,182.10/72,716.37
6. Step 6: Final answer
   x = 58,634.39