Finding the Fourth Proportional to 83,692.33, 115,467.32 and 47,388.81

Step by Step Solution

1. Step 1: Write the proportion equation
   83,692.33 : 115,467.32 = 47,388.81 : x
2. Step 2: Convert to fraction form
   83,692.33/115,467.32 = 47,388.81/x
3. Step 3: Cross multiply
   83,692.33x = 115,467.32 × 47,388.81
4. Step 4: Simplify right side
   83,692.33x = 5,471,858,653.15
5. Step 5: Solve for x
   x = 5,471,858,653.15/83,692.33
6. Step 6: Final answer
   x = 65,380.65