Finding the Fourth Proportional to 42,966.50, 64,447.16 and 25,547.18

Step by Step Solution

1. Step 1: Write the proportion equation
   42,966.50 : 64,447.16 = 25,547.18 : x
2. Step 2: Convert to fraction form
   42,966.50/64,447.16 = 25,547.18/x
3. Step 3: Cross multiply
   42,966.50x = 64,447.16 × 25,547.18
4. Step 4: Simplify right side
   42,966.50x = 1,646,443,197.01
5. Step 5: Solve for x
   x = 1,646,443,197.01/42,966.50
6. Step 6: Final answer
   x = 38,319.23