Finding the Fourth Proportional to 1,111,564.05, 1,533,959.39 and 602,266.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,111,564.05 : 1,533,959.39 = 602,266.42 : x
2. Step 2: Convert to fraction form
   1,111,564.05/1,533,959.39 = 602,266.42/x
3. Step 3: Cross multiply
   1,111,564.05x = 1,533,959.39 × 602,266.42
4. Step 4: Simplify right side
   1,111,564.05x = 923,852,233,663.80
5. Step 5: Solve for x
   x = 923,852,233,663.80/1,111,564.05
6. Step 6: Final answer
   x = 831,128.21