Finding the Fourth Proportional to 9,482,698.72, 13,086,147.48 and 5,131,816.70

Step by Step Solution

1. Step 1: Write the proportion equation
   9,482,698.72 : 13,086,147.48 = 5,131,816.70 : x
2. Step 2: Convert to fraction form
   9,482,698.72/13,086,147.48 = 5,131,816.70/x
3. Step 3: Cross multiply
   9,482,698.72x = 13,086,147.48 × 5,131,816.70
4. Step 4: Simplify right side
   9,482,698.72x = 67,155,710,091,851.88
5. Step 5: Solve for x
   x = 67,155,710,091,851.88/9,482,698.72
6. Step 6: Final answer
   x = 7,081,919.62