Finding the Fourth Proportional to 42,673.96, 64,018.52 and 14,597.12

Step by Step Solution

1. Step 1: Write the proportion equation
   42,673.96 : 64,018.52 = 14,597.12 : x
2. Step 2: Convert to fraction form
   42,673.96/64,018.52 = 14,597.12/x
3. Step 3: Cross multiply
   42,673.96x = 64,018.52 × 14,597.12
4. Step 4: Simplify right side
   42,673.96x = 934,486,018.66
5. Step 5: Solve for x
   x = 934,486,018.66/42,673.96
6. Step 6: Final answer
   x = 21,898.27