Finding the Fourth Proportional to 2,177,564.82, 3,005,036.73 and 1,210,664.58

Step by Step Solution

1. Step 1: Write the proportion equation
   2,177,564.82 : 3,005,036.73 = 1,210,664.58 : x
2. Step 2: Convert to fraction form
   2,177,564.82/3,005,036.73 = 1,210,664.58/x
3. Step 3: Cross multiply
   2,177,564.82x = 3,005,036.73 × 1,210,664.58
4. Step 4: Simplify right side
   2,177,564.82x = 3,638,091,530,610.02
5. Step 5: Solve for x
   x = 3,638,091,530,610.02/2,177,564.82
6. Step 6: Final answer
   x = 1,670,715.61