Finding the Fourth Proportional to 42,880.41, 64,324.98 and 14,796.81

Step by Step Solution

1. Step 1: Write the proportion equation
   42,880.41 : 64,324.98 = 14,796.81 : x
2. Step 2: Convert to fraction form
   42,880.41/64,324.98 = 14,796.81/x
3. Step 3: Cross multiply
   42,880.41x = 64,324.98 × 14,796.81
4. Step 4: Simplify right side
   42,880.41x = 951,804,507.31
5. Step 5: Solve for x
   x = 951,804,507.31/42,880.41
6. Step 6: Final answer
   x = 22,196.72