Finding the Fourth Proportional to 1,971,865.89, 2,721,174.93 and 1,066,447.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,971,865.89 : 2,721,174.93 = 1,066,447.89 : x
2. Step 2: Convert to fraction form
   1,971,865.89/2,721,174.93 = 1,066,447.89/x
3. Step 3: Cross multiply
   1,971,865.89x = 2,721,174.93 × 1,066,447.89
4. Step 4: Simplify right side
   1,971,865.89x = 2,901,991,262,419.40
5. Step 5: Solve for x
   x = 2,901,991,262,419.40/1,971,865.89
6. Step 6: Final answer
   x = 1,471,698.09