Finding the Fourth Proportional to 1,447,145.98, 2,172,020.01 and 773,802.84

Step by Step Solution

1. Step 1: Write the proportion equation
   1,447,145.98 : 2,172,020.01 = 773,802.84 : x
2. Step 2: Convert to fraction form
   1,447,145.98/2,172,020.01 = 773,802.84/x
3. Step 3: Cross multiply
   1,447,145.98x = 2,172,020.01 × 773,802.84
4. Step 4: Simplify right side
   1,447,145.98x = 1,680,715,252,274.83
5. Step 5: Solve for x
   x = 1,680,715,252,274.83/1,447,145.98
6. Step 6: Final answer
   x = 1,161,399.94