Finding the Fourth Proportional to 4,890,665.72, 7,371,152.14 and 4,215,699.35

Step by Step Solution

1. Step 1: Write the proportion equation
   4,890,665.72 : 7,371,152.14 = 4,215,699.35 : x
2. Step 2: Convert to fraction form
   4,890,665.72/7,371,152.14 = 4,215,699.35/x
3. Step 3: Cross multiply
   4,890,665.72x = 7,371,152.14 × 4,215,699.35
4. Step 4: Simplify right side
   4,890,665.72x = 31,074,561,237,954.10
5. Step 5: Solve for x
   x = 31,074,561,237,954.10/4,890,665.72
6. Step 6: Final answer
   x = 6,353,851.00