Finding the Fourth Proportional to 67,356, 100,978.72 and 27,941.40

Step by Step Solution

1. Step 1: Write the proportion equation
   67,356 : 100,978.72 = 27,941.40 : x
2. Step 2: Convert to fraction form
   67,356/100,978.72 = 27,941.40/x
3. Step 3: Cross multiply
   67,356x = 100,978.72 × 27,941.40
4. Step 4: Simplify right side
   67,356x = 2,821,486,737.15
5. Step 5: Solve for x
   x = 2,821,486,737.15/67,356
6. Step 6: Final answer
   x = 41,889.17