Finding the Fourth Proportional to 31,224,784.06, 46,647,406.63 and 20,205,201.69

Step by Step Solution

1. Step 1: Write the proportion equation
   31,224,784.06 : 46,647,406.63 = 20,205,201.69 : x
2. Step 2: Convert to fraction form
   31,224,784.06/46,647,406.63 = 20,205,201.69/x
3. Step 3: Cross multiply
   31,224,784.06x = 46,647,406.63 × 20,205,201.69
4. Step 4: Simplify right side
   31,224,784.06x = 942,520,259,274,593.38
5. Step 5: Solve for x
   x = 942,520,259,274,593.38/31,224,784.06
6. Step 6: Final answer
   x = 30,185,004.88