Finding the Fourth Proportional to 5,078,402.72, 7,008,196.71 and 2,902,993.82

Step by Step Solution

1. Step 1: Write the proportion equation
   5,078,402.72 : 7,008,196.71 = 2,902,993.82 : x
2. Step 2: Convert to fraction form
   5,078,402.72/7,008,196.71 = 2,902,993.82/x
3. Step 3: Cross multiply
   5,078,402.72x = 7,008,196.71 × 2,902,993.82
4. Step 4: Simplify right side
   5,078,402.72x = 20,344,751,738,474.33
5. Step 5: Solve for x
   x = 20,344,751,738,474.33/5,078,402.72
6. Step 6: Final answer
   x = 4,006,132.02