Finding the Fourth Proportional to 2,387,681.34, 3,579,128.60 and 1,109,187.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,387,681.34 : 3,579,128.60 = 1,109,187.56 : x
2. Step 2: Convert to fraction form
   2,387,681.34/3,579,128.60 = 1,109,187.56/x
3. Step 3: Cross multiply
   2,387,681.34x = 3,579,128.60 × 1,109,187.56
4. Step 4: Simplify right side
   2,387,681.34x = 3,969,924,918,760.22
5. Step 5: Solve for x
   x = 3,969,924,918,760.22/2,387,681.34
6. Step 6: Final answer
   x = 1,662,669.49