Finding the Fourth Proportional to 1,773,869.49, 2,660,978.43 and 477,005.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,773,869.49 : 2,660,978.43 = 477,005.83 : x
2. Step 2: Convert to fraction form
   1,773,869.49/2,660,978.43 = 477,005.83/x
3. Step 3: Cross multiply
   1,773,869.49x = 2,660,978.43 × 477,005.83
4. Step 4: Simplify right side
   1,773,869.49x = 1,269,302,217,961.80
5. Step 5: Solve for x
   x = 1,269,302,217,961.80/1,773,869.49
6. Step 6: Final answer
   x = 715,555.58