Finding the Fourth Proportional to 31,224,778.74, 46,647,398.72 and 20,205,196.34

Step by Step Solution

1. Step 1: Write the proportion equation
   31,224,778.74 : 46,647,398.72 = 20,205,196.34 : x
2. Step 2: Convert to fraction form
   31,224,778.74/46,647,398.72 = 20,205,196.34/x
3. Step 3: Cross multiply
   31,224,778.74x = 46,647,398.72 × 20,205,196.34
4. Step 4: Simplify right side
   31,224,778.74x = 942,519,849,887,864.62
5. Step 5: Solve for x
   x = 942,519,849,887,864.62/31,224,778.74
6. Step 6: Final answer
   x = 30,184,996.91