Finding the Fourth Proportional to 1,552,017.21, 2,141,768.28 and 863,677.28

Step by Step Solution

1. Step 1: Write the proportion equation
   1,552,017.21 : 2,141,768.28 = 863,677.28 : x
2. Step 2: Convert to fraction form
   1,552,017.21/2,141,768.28 = 863,677.28/x
3. Step 3: Cross multiply
   1,552,017.21x = 2,141,768.28 × 863,677.28
4. Step 4: Simplify right side
   1,552,017.21x = 1,849,796,611,053.89
5. Step 5: Solve for x
   x = 1,849,796,611,053.89/1,552,017.21
6. Step 6: Final answer
   x = 1,191,866.05