Finding the Fourth Proportional to 1,055,404.79, 1,455,661.71 and 663,051.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,055,404.79 : 1,455,661.71 = 663,051.83 : x
2. Step 2: Convert to fraction form
   1,055,404.79/1,455,661.71 = 663,051.83/x
3. Step 3: Cross multiply
   1,055,404.79x = 1,455,661.71 × 663,051.83
4. Step 4: Simplify right side
   1,055,404.79x = 965,179,153,398.12
5. Step 5: Solve for x
   x = 965,179,153,398.12/1,055,404.79
6. Step 6: Final answer
   x = 914,510.87