Finding the Fourth Proportional to 42,964.50, 64,444.16 and 25,545.18

Step by Step Solution

1. Step 1: Write the proportion equation
   42,964.50 : 64,444.16 = 25,545.18 : x
2. Step 2: Convert to fraction form
   42,964.50/64,444.16 = 25,545.18/x
3. Step 3: Cross multiply
   42,964.50x = 64,444.16 × 25,545.18
4. Step 4: Simplify right side
   42,964.50x = 1,646,237,667.15
5. Step 5: Solve for x
   x = 1,646,237,667.15/42,964.50
6. Step 6: Final answer
   x = 38,316.23