Finding the Fourth Proportional to 42,692.00, 64,028.43 and 13,110.12

Step by Step Solution

1. Step 1: Write the proportion equation
   42,692.00 : 64,028.43 = 13,110.12 : x
2. Step 2: Convert to fraction form
   42,692.00/64,028.43 = 13,110.12/x
3. Step 3: Cross multiply
   42,692.00x = 64,028.43 × 13,110.12
4. Step 4: Simplify right side
   42,692.00x = 839,420,400.71
5. Step 5: Solve for x
   x = 839,420,400.71/42,692.00
6. Step 6: Final answer
   x = 19,662.24