Finding the Fourth Proportional to 9,099,058.32, 12,556,678.32 and 5,231,392.56

Step by Step Solution

1. Step 1: Write the proportion equation
   9,099,058.32 : 12,556,678.32 = 5,231,392.56 : x
2. Step 2: Convert to fraction form
   9,099,058.32/12,556,678.32 = 5,231,392.56/x
3. Step 3: Cross multiply
   9,099,058.32x = 12,556,678.32 × 5,231,392.56
4. Step 4: Simplify right side
   9,099,058.32x = 65,688,913,541,561.30
5. Step 5: Solve for x
   x = 65,688,913,541,561.30/9,099,058.32
6. Step 6: Final answer
   x = 7,219,308.99