Finding the Fourth Proportional to 1,285,222.17, 1,773,595.58 and 704,477.55

Step by Step Solution

1. Step 1: Write the proportion equation
   1,285,222.17 : 1,773,595.58 = 704,477.55 : x
2. Step 2: Convert to fraction form
   1,285,222.17/1,773,595.58 = 704,477.55/x
3. Step 3: Cross multiply
   1,285,222.17x = 1,773,595.58 × 704,477.55
4. Step 4: Simplify right side
   1,285,222.17x = 1,249,458,272,017.82
5. Step 5: Solve for x
   x = 1,249,458,272,017.82/1,285,222.17
6. Step 6: Final answer
   x = 972,172.98