Finding the Fourth Proportional to 67,749.78, 93,498.15 and 40,891.89

Step by Step Solution

1. Step 1: Write the proportion equation
   67,749.78 : 93,498.15 = 40,891.89 : x
2. Step 2: Convert to fraction form
   67,749.78/93,498.15 = 40,891.89/x
3. Step 3: Cross multiply
   67,749.78x = 93,498.15 × 40,891.89
4. Step 4: Simplify right side
   67,749.78x = 3,823,316,065.00
5. Step 5: Solve for x
   x = 3,823,316,065.00/67,749.78
6. Step 6: Final answer
   x = 56,432.89