Finding the Fourth Proportional to 2,139,412.01, 2,952,411.68 and 1,172,521.49

Step by Step Solution

1. Step 1: Write the proportion equation
   2,139,412.01 : 2,952,411.68 = 1,172,521.49 : x
2. Step 2: Convert to fraction form
   2,139,412.01/2,952,411.68 = 1,172,521.49/x
3. Step 3: Cross multiply
   2,139,412.01x = 2,952,411.68 × 1,172,521.49
4. Step 4: Simplify right side
   2,139,412.01x = 3,461,766,142,127.00
5. Step 5: Solve for x
   x = 3,461,766,142,127.00/2,139,412.01
6. Step 6: Final answer
   x = 1,618,092.32