Finding the Fourth Proportional to 7,248,215.82, 10,002,557.79 and 3,985,364.10

Step by Step Solution

1. Step 1: Write the proportion equation
   7,248,215.82 : 10,002,557.79 = 3,985,364.10 : x
2. Step 2: Convert to fraction form
   7,248,215.82/10,002,557.79 = 3,985,364.10/x
3. Step 3: Cross multiply
   7,248,215.82x = 10,002,557.79 × 3,985,364.10
4. Step 4: Simplify right side
   7,248,215.82x = 39,863,834,724,441.34
5. Step 5: Solve for x
   x = 39,863,834,724,441.34/7,248,215.82
6. Step 6: Final answer
   x = 5,499,813.43