Finding the Fourth Proportional to 1,174,488.22, 1,620,857.22 and 658,407.88

Step by Step Solution

1. Step 1: Write the proportion equation
   1,174,488.22 : 1,620,857.22 = 658,407.88 : x
2. Step 2: Convert to fraction form
   1,174,488.22/1,620,857.22 = 658,407.88/x
3. Step 3: Cross multiply
   1,174,488.22x = 1,620,857.22 × 658,407.88
4. Step 4: Simplify right side
   1,174,488.22x = 1,067,185,166,002.89
5. Step 5: Solve for x
   x = 1,067,185,166,002.89/1,174,488.22
6. Step 6: Final answer
   x = 908,638.46