Finding the Fourth Proportional to 1,201,493.17, 1,802,948.71 and 443,870.81

Step by Step Solution

1. Step 1: Write the proportion equation
   1,201,493.17 : 1,802,948.71 = 443,870.81 : x
2. Step 2: Convert to fraction form
   1,201,493.17/1,802,948.71 = 443,870.81/x
3. Step 3: Cross multiply
   1,201,493.17x = 1,802,948.71 × 443,870.81
4. Step 4: Simplify right side
   1,201,493.17x = 800,276,304,296.16
5. Step 5: Solve for x
   x = 800,276,304,296.16/1,201,493.17
6. Step 6: Final answer
   x = 666,068.13