Finding the Fourth Proportional to 5,396,855.05, 8,092,978.12 and 3,123,948.32

Step by Step Solution

1. Step 1: Write the proportion equation
   5,396,855.05 : 8,092,978.12 = 3,123,948.32 : x
2. Step 2: Convert to fraction form
   5,396,855.05/8,092,978.12 = 3,123,948.32/x
3. Step 3: Cross multiply
   5,396,855.05x = 8,092,978.12 × 3,123,948.32
4. Step 4: Simplify right side
   5,396,855.05x = 25,282,045,401,770.76
5. Step 5: Solve for x
   x = 25,282,045,401,770.76/5,396,855.05
6. Step 6: Final answer
   x = 4,684,588.56