Finding the Fourth Proportional to 42,477, 63,723.18 and 17,503.16

Step by Step Solution

1. Step 1: Write the proportion equation
   42,477 : 63,723.18 = 17,503.16 : x
2. Step 2: Convert to fraction form
   42,477/63,723.18 = 17,503.16/x
3. Step 3: Cross multiply
   42,477x = 63,723.18 × 17,503.16
4. Step 4: Simplify right side
   42,477x = 1,115,357,015.25
5. Step 5: Solve for x
   x = 1,115,357,015.25/42,477
6. Step 6: Final answer
   x = 26,257.90