Finding the Fourth Proportional to 9,482,900.42, 13,086,402.45 and 5,131,986.72

Step by Step Solution

1. Step 1: Write the proportion equation
   9,482,900.42 : 13,086,402.45 = 5,131,986.72 : x
2. Step 2: Convert to fraction form
   9,482,900.42/13,086,402.45 = 5,131,986.72/x
3. Step 3: Cross multiply
   9,482,900.42x = 13,086,402.45 × 5,131,986.72
4. Step 4: Simplify right side
   9,482,900.42x = 67,159,243,585,975.45
5. Step 5: Solve for x
   x = 67,159,243,585,975.45/9,482,900.42
6. Step 6: Final answer
   x = 7,082,141.60