Finding the Fourth Proportional to 9,870,160.55, 13,620,865.97 and 5,519,248.43

Step by Step Solution

1. Step 1: Write the proportion equation
   9,870,160.55 : 13,620,865.97 = 5,519,248.43 : x
2. Step 2: Convert to fraction form
   9,870,160.55/13,620,865.97 = 5,519,248.43/x
3. Step 3: Cross multiply
   9,870,160.55x = 13,620,865.97 × 5,519,248.43
4. Step 4: Simplify right side
   9,870,160.55x = 75,176,943,065,856.72
5. Step 5: Solve for x
   x = 75,176,943,065,856.72/9,870,160.55
6. Step 6: Final answer
   x = 7,616,587.67