Finding the Fourth Proportional to 42,662.77, 64,001.61 and 14,576.22

Step by Step Solution

1. Step 1: Write the proportion equation
   42,662.77 : 64,001.61 = 14,576.22 : x
2. Step 2: Convert to fraction form
   42,662.77/64,001.61 = 14,576.22/x
3. Step 3: Cross multiply
   42,662.77x = 64,001.61 × 14,576.22
4. Step 4: Simplify right side
   42,662.77x = 932,901,547.71
5. Step 5: Solve for x
   x = 932,901,547.71/42,662.77
6. Step 6: Final answer
   x = 21,866.88