Finding the Fourth Proportional to 12,855,053.22, 19,269,022.86 and 4,216,898.01

Step by Step Solution

1. Step 1: Write the proportion equation
   12,855,053.22 : 19,269,022.86 = 4,216,898.01 : x
2. Step 2: Convert to fraction form
   12,855,053.22/19,269,022.86 = 4,216,898.01/x
3. Step 3: Cross multiply
   12,855,053.22x = 19,269,022.86 × 4,216,898.01
4. Step 4: Simplify right side
   12,855,053.22x = 81,255,504,152,978.50
5. Step 5: Solve for x
   x = 81,255,504,152,978.50/12,855,053.22
6. Step 6: Final answer
   x = 6,320,899.86