Finding the Fourth Proportional to 2,171,841.21, 2,997,141.25 and 1,204,969.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,171,841.21 : 2,997,141.25 = 1,204,969.20 : x
2. Step 2: Convert to fraction form
   2,171,841.21/2,997,141.25 = 1,204,969.20/x
3. Step 3: Cross multiply
   2,171,841.21x = 2,997,141.25 × 1,204,969.20
4. Step 4: Simplify right side
   2,171,841.21x = 3,611,462,877,035.37
5. Step 5: Solve for x
   x = 3,611,462,877,035.37/2,171,841.21
6. Step 6: Final answer
   x = 1,662,857.70