Finding the Fourth Proportional to 5,078,157.92, 7,007,857.98 and 2,902,748.18

Step by Step Solution

1. Step 1: Write the proportion equation
   5,078,157.92 : 7,007,857.98 = 2,902,748.18 : x
2. Step 2: Convert to fraction form
   5,078,157.92/7,007,857.98 = 2,902,748.18/x
3. Step 3: Cross multiply
   5,078,157.92x = 7,007,857.98 × 2,902,748.18
4. Step 4: Simplify right side
   5,078,157.92x = 20,342,046,997,143.48
5. Step 5: Solve for x
   x = 20,342,046,997,143.48/5,078,157.92
6. Step 6: Final answer
   x = 4,005,792.52