Finding the Fourth Proportional to 10,131,556.61, 13,981,528.04 and 5,485,340.37

Step by Step Solution

1. Step 1: Write the proportion equation
   10,131,556.61 : 13,981,528.04 = 5,485,340.37 : x
2. Step 2: Convert to fraction form
   10,131,556.61/13,981,528.04 = 5,485,340.37/x
3. Step 3: Cross multiply
   10,131,556.61x = 13,981,528.04 × 5,485,340.37
4. Step 4: Simplify right side
   10,131,556.61x = 76,693,440,164,672.28
5. Step 5: Solve for x
   x = 76,693,440,164,672.28/10,131,556.61
6. Step 6: Final answer
   x = 7,569,758.84