Finding the Fourth Proportional to 112,692.57, 155,523.33 and 64,949.01

Step by Step Solution

1. Step 1: Write the proportion equation
   112,692.57 : 155,523.33 = 64,949.01 : x
2. Step 2: Convert to fraction form
   112,692.57/155,523.33 = 64,949.01/x
3. Step 3: Cross multiply
   112,692.57x = 155,523.33 × 64,949.01
4. Step 4: Simplify right side
   112,692.57x = 10,101,086,315.40
5. Step 5: Solve for x
   x = 10,101,086,315.40/112,692.57
6. Step 6: Final answer
   x = 89,634.00