Finding the Fourth Proportional to 9,789,564.24, 13,509,839.33 and 5,379,254.55

Step by Step Solution

1. Step 1: Write the proportion equation
   9,789,564.24 : 13,509,839.33 = 5,379,254.55 : x
2. Step 2: Convert to fraction form
   9,789,564.24/13,509,839.33 = 5,379,254.55/x
3. Step 3: Cross multiply
   9,789,564.24x = 13,509,839.33 × 5,379,254.55
4. Step 4: Simplify right side
   9,789,564.24x = 72,672,864,685,671.45
5. Step 5: Solve for x
   x = 72,672,864,685,671.45/9,789,564.24
6. Step 6: Final answer
   x = 7,423,503.53