Finding the Fourth Proportional to 1,978,453.05, 2,730,265.43 and 1,118,995.05

Step by Step Solution

1. Step 1: Write the proportion equation
   1,978,453.05 : 2,730,265.43 = 1,118,995.05 : x
2. Step 2: Convert to fraction form
   1,978,453.05/2,730,265.43 = 1,118,995.05/x
3. Step 3: Cross multiply
   1,978,453.05x = 2,730,265.43 × 1,118,995.05
4. Step 4: Simplify right side
   1,978,453.05x = 3,055,153,495,761.15
5. Step 5: Solve for x
   x = 3,055,153,495,761.15/1,978,453.05
6. Step 6: Final answer
   x = 1,544,213.29