Finding the Fourth Proportional to 50,978.03, 76,461.15 and 13,541.05

Step by Step Solution

1. Step 1: Write the proportion equation
   50,978.03 : 76,461.15 = 13,541.05 : x
2. Step 2: Convert to fraction form
   50,978.03/76,461.15 = 13,541.05/x
3. Step 3: Cross multiply
   50,978.03x = 76,461.15 × 13,541.05
4. Step 4: Simplify right side
   50,978.03x = 1,035,363,872.90
5. Step 5: Solve for x
   x = 1,035,363,872.90/50,978.03
6. Step 6: Final answer
   x = 20,310.00