Finding the Fourth Proportional to 67,488.92, 93,152.72 and 38,811.71

Step by Step Solution

1. Step 1: Write the proportion equation
   67,488.92 : 93,152.72 = 38,811.71 : x
2. Step 2: Convert to fraction form
   67,488.92/93,152.72 = 38,811.71/x
3. Step 3: Cross multiply
   67,488.92x = 93,152.72 × 38,811.71
4. Step 4: Simplify right side
   67,488.92x = 3,615,415,694.53
5. Step 5: Solve for x
   x = 3,615,415,694.53/67,488.92
6. Step 6: Final answer
   x = 53,570.51