Finding the Fourth Proportional to 67,856.10, 93,641.98 and 37,643.40

Step by Step Solution

1. Step 1: Write the proportion equation
   67,856.10 : 93,641.98 = 37,643.40 : x
2. Step 2: Convert to fraction form
   67,856.10/93,641.98 = 37,643.40/x
3. Step 3: Cross multiply
   67,856.10x = 93,641.98 × 37,643.40
4. Step 4: Simplify right side
   67,856.10x = 3,525,002,509.93
5. Step 5: Solve for x
   x = 3,525,002,509.93/67,856.10
6. Step 6: Final answer
   x = 51,948.20