Finding the Fourth Proportional to 1,111,569.81, 1,533,967.37 and 602,272.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,111,569.81 : 1,533,967.37 = 602,272.18 : x
2. Step 2: Convert to fraction form
   1,111,569.81/1,533,967.37 = 602,272.18/x
3. Step 3: Cross multiply
   1,111,569.81x = 1,533,967.37 × 602,272.18
4. Step 4: Simplify right side
   1,111,569.81x = 923,865,871,978.77
5. Step 5: Solve for x
   x = 923,865,871,978.77/1,111,569.81
6. Step 6: Final answer
   x = 831,136.17