Finding the Fourth Proportional to 9,870,159.42, 13,620,864.42 and 5,519,247.30

Step by Step Solution

1. Step 1: Write the proportion equation
   9,870,159.42 : 13,620,864.42 = 5,519,247.30 : x
2. Step 2: Convert to fraction form
   9,870,159.42/13,620,864.42 = 5,519,247.30/x
3. Step 3: Cross multiply
   9,870,159.42x = 13,620,864.42 × 5,519,247.30
4. Step 4: Simplify right side
   9,870,159.42x = 75,176,919,173,751.06
5. Step 5: Solve for x
   x = 75,176,919,173,751.06/9,870,159.42
6. Step 6: Final answer
   x = 7,616,586.11