Finding the Fourth Proportional to 2,101,562.47, 3,151,216.18 and 661,977.01

Step by Step Solution

1. Step 1: Write the proportion equation
   2,101,562.47 : 3,151,216.18 = 661,977.01 : x
2. Step 2: Convert to fraction form
   2,101,562.47/3,151,216.18 = 661,977.01/x
3. Step 3: Cross multiply
   2,101,562.47x = 3,151,216.18 × 661,977.01
4. Step 4: Simplify right side
   2,101,562.47x = 2,086,032,664,700.02
5. Step 5: Solve for x
   x = 2,086,032,664,700.02/2,101,562.47
6. Step 6: Final answer
   x = 992,610.35