Finding the Fourth Proportional to 1,012,116.89, 1,395,816.73 and 839,762.01

Step by Step Solution

1. Step 1: Write the proportion equation
   1,012,116.89 : 1,395,816.73 = 839,762.01 : x
2. Step 2: Convert to fraction form
   1,012,116.89/1,395,816.73 = 839,762.01/x
3. Step 3: Cross multiply
   1,012,116.89x = 1,395,816.73 × 839,762.01
4. Step 4: Simplify right side
   1,012,116.89x = 1,172,153,860,677.02
5. Step 5: Solve for x
   x = 1,172,153,860,677.02/1,012,116.89
6. Step 6: Final answer
   x = 1,158,121.03