Finding the Fourth Proportional to 7,126,007.31, 9,827,540.51 and 5,556,528

Step by Step Solution

1. Step 1: Write the proportion equation
   7,126,007.31 : 9,827,540.51 = 5,556,528 : x
2. Step 2: Convert to fraction form
   7,126,007.31/9,827,540.51 = 5,556,528/x
3. Step 3: Cross multiply
   7,126,007.31x = 9,827,540.51 × 5,556,528
4. Step 4: Simplify right side
   7,126,007.31x = 54,607,003,987,166.65
5. Step 5: Solve for x
   x = 54,607,003,987,166.65/7,126,007.31
6. Step 6: Final answer
   x = 7,663,057.53