Finding the Fourth Proportional to 7,891,337.10, 11,828,151.72 and 5,164,131.69

Step by Step Solution

1. Step 1: Write the proportion equation
   7,891,337.10 : 11,828,151.72 = 5,164,131.69 : x
2. Step 2: Convert to fraction form
   7,891,337.10/11,828,151.72 = 5,164,131.69/x
3. Step 3: Cross multiply
   7,891,337.10x = 11,828,151.72 × 5,164,131.69
4. Step 4: Simplify right side
   7,891,337.10x = 61,082,133,131,380.02
5. Step 5: Solve for x
   x = 61,082,133,131,380.02/7,891,337.10
6. Step 6: Final answer
   x = 7,740,403.48