Finding the Fourth Proportional to 105,574.02, 145,692.33 and 57,827.46

Step by Step Solution

1. Step 1: Write the proportion equation
   105,574.02 : 145,692.33 = 57,827.46 : x
2. Step 2: Convert to fraction form
   105,574.02/145,692.33 = 57,827.46/x
3. Step 3: Cross multiply
   105,574.02x = 145,692.33 × 57,827.46
4. Step 4: Simplify right side
   105,574.02x = 8,425,017,385.38
5. Step 5: Solve for x
   x = 8,425,017,385.38/105,574.02
6. Step 6: Final answer
   x = 79,801.99