Finding the Fourth Proportional to 5,146,256.72, 7,097,185.32 and 3,212,695.28

Step by Step Solution

1. Step 1: Write the proportion equation
   5,146,256.72 : 7,097,185.32 = 3,212,695.28 : x
2. Step 2: Convert to fraction form
   5,146,256.72/7,097,185.32 = 3,212,695.28/x
3. Step 3: Cross multiply
   5,146,256.72x = 7,097,185.32 × 3,212,695.28
4. Step 4: Simplify right side
   5,146,256.72x = 22,801,093,778,849.29
5. Step 5: Solve for x
   x = 22,801,093,778,849.29/5,146,256.72
6. Step 6: Final answer
   x = 4,430,617.25