Finding the Fourth Proportional to 31,224,804.55, 46,647,437.22 and 20,205,222.12

Step by Step Solution

1. Step 1: Write the proportion equation
   31,224,804.55 : 46,647,437.22 = 20,205,222.12 : x
2. Step 2: Convert to fraction form
   31,224,804.55/46,647,437.22 = 20,205,222.12/x
3. Step 3: Cross multiply
   31,224,804.55x = 46,647,437.22 × 20,205,222.12
4. Step 4: Simplify right side
   31,224,804.55x = 942,521,830,358,855.38
5. Step 5: Solve for x
   x = 942,521,830,358,855.38/31,224,804.55
6. Step 6: Final answer
   x = 30,185,035.39