Finding the Fourth Proportional to 9,200,651.76, 12,699,063.09 and 5,718,620.25

Step by Step Solution

1. Step 1: Write the proportion equation
   9,200,651.76 : 12,699,063.09 = 5,718,620.25 : x
2. Step 2: Convert to fraction form
   9,200,651.76/12,699,063.09 = 5,718,620.25/x
3. Step 3: Cross multiply
   9,200,651.76x = 12,699,063.09 × 5,718,620.25
4. Step 4: Simplify right side
   9,200,651.76x = 72,621,119,342,501.58
5. Step 5: Solve for x
   x = 72,621,119,342,501.58/9,200,651.76
6. Step 6: Final answer
   x = 7,893,040.76