Finding the Fourth Proportional to 83,907.30, 115,765.85 and 47,602.69

Step by Step Solution

1. Step 1: Write the proportion equation
   83,907.30 : 115,765.85 = 47,602.69 : x
2. Step 2: Convert to fraction form
   83,907.30/115,765.85 = 47,602.69/x
3. Step 3: Cross multiply
   83,907.30x = 115,765.85 × 47,602.69
4. Step 4: Simplify right side
   83,907.30x = 5,510,765,870.14
5. Step 5: Solve for x
   x = 5,510,765,870.14/83,907.30
6. Step 6: Final answer
   x = 65,676.83