Finding the Fourth Proportional to 54,360.78, 81,537.50 and 14,914.59

Step by Step Solution

1. Step 1: Write the proportion equation
   54,360.78 : 81,537.50 = 14,914.59 : x
2. Step 2: Convert to fraction form
   54,360.78/81,537.50 = 14,914.59/x
3. Step 3: Cross multiply
   54,360.78x = 81,537.50 × 14,914.59
4. Step 4: Simplify right side
   54,360.78x = 1,216,097,899.86
5. Step 5: Solve for x
   x = 1,216,097,899.86/54,360.78
6. Step 6: Final answer
   x = 22,370.87