Finding the Fourth Proportional to 83,692.16, 125,574.72 and 31,089.92

Step by Step Solution

1. Step 1: Write the proportion equation
   83,692.16 : 125,574.72 = 31,089.92 : x
2. Step 2: Convert to fraction form
   83,692.16/125,574.72 = 31,089.92/x
3. Step 3: Cross multiply
   83,692.16x = 125,574.72 × 31,089.92
4. Step 4: Simplify right side
   83,692.16x = 3,904,107,998.82
5. Step 5: Solve for x
   x = 3,904,107,998.82/83,692.16
6. Step 6: Final answer
   x = 46,648.43