Finding the Fourth Proportional to 9,856,788.18, 13,602,388.77 and 5,564,436.18

Step by Step Solution

1. Step 1: Write the proportion equation
   9,856,788.18 : 13,602,388.77 = 5,564,436.18 : x
2. Step 2: Convert to fraction form
   9,856,788.18/13,602,388.77 = 5,564,436.18/x
3. Step 3: Cross multiply
   9,856,788.18x = 13,602,388.77 × 5,564,436.18
4. Step 4: Simplify right side
   9,856,788.18x = 75,689,624,206,213.69
5. Step 5: Solve for x
   x = 75,689,624,206,213.69/9,856,788.18
6. Step 6: Final answer
   x = 7,678,933.83