Finding the Fourth Proportional to 10,757,053.65, 16,140,345.41 and 5,638,267.05

Step by Step Solution

1. Step 1: Write the proportion equation
   10,757,053.65 : 16,140,345.41 = 5,638,267.05 : x
2. Step 2: Convert to fraction form
   10,757,053.65/16,140,345.41 = 5,638,267.05/x
3. Step 3: Cross multiply
   10,757,053.65x = 16,140,345.41 × 5,638,267.05
4. Step 4: Simplify right side
   10,757,053.65x = 91,003,577,672,630.41
5. Step 5: Solve for x
   x = 91,003,577,672,630.41/10,757,053.65
6. Step 6: Final answer
   x = 8,459,898.09