Finding the Fourth Proportional to 42,987.97, 64,363.49 and 32,426.02

Step by Step Solution

1. Step 1: Write the proportion equation
   42,987.97 : 64,363.49 = 32,426.02 : x
2. Step 2: Convert to fraction form
   42,987.97/64,363.49 = 32,426.02/x
3. Step 3: Cross multiply
   42,987.97x = 64,363.49 × 32,426.02
4. Step 4: Simplify right side
   42,987.97x = 2,087,051,814.01
5. Step 5: Solve for x
   x = 2,087,051,814.01/42,987.97
6. Step 6: Final answer
   x = 48,549.67