Finding the Fourth Proportional to 2,190,923.22, 3,022,955.88 and 1,272,606.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,190,923.22 : 3,022,955.88 = 1,272,606.72 : x
2. Step 2: Convert to fraction form
   2,190,923.22/3,022,955.88 = 1,272,606.72/x
3. Step 3: Cross multiply
   2,190,923.22x = 3,022,955.88 × 1,272,606.72
4. Step 4: Simplify right side
   2,190,923.22x = 3,847,033,967,151.51
5. Step 5: Solve for x
   x = 3,847,033,967,151.51/2,190,923.22
6. Step 6: Final answer
   x = 1,755,896.30