Finding the Fourth Proportional to 1,061,067.06, 1,591,304.13 and 421,082.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,061,067.06 : 1,591,304.13 = 421,082.82 : x
2. Step 2: Convert to fraction form
   1,061,067.06/1,591,304.13 = 421,082.82/x
3. Step 3: Cross multiply
   1,061,067.06x = 1,591,304.13 × 421,082.82
4. Step 4: Simplify right side
   1,061,067.06x = 670,070,830,538.05
5. Step 5: Solve for x
   x = 670,070,830,538.05/1,061,067.06
6. Step 6: Final answer
   x = 631,506.58