Finding the Fourth Proportional to 23,101,852, 31,809,342.72 and 20,519,047.12

Step by Step Solution

1. Step 1: Write the proportion equation
   23,101,852 : 31,809,342.72 = 20,519,047.12 : x
2. Step 2: Convert to fraction form
   23,101,852/31,809,342.72 = 20,519,047.12/x
3. Step 3: Cross multiply
   23,101,852x = 31,809,342.72 × 20,519,047.12
4. Step 4: Simplify right side
   23,101,852x = 652,697,402,127,909
5. Step 5: Solve for x
   x = 652,697,402,127,909/23,101,852
6. Step 6: Final answer
   x = 28,253,033.66