Finding the Fourth Proportional to 1,978,363.44, 2,730,654.72 and 1,119,421.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,978,363.44 : 2,730,654.72 = 1,119,421.89 : x
2. Step 2: Convert to fraction form
   1,978,363.44/2,730,654.72 = 1,119,421.89/x
3. Step 3: Cross multiply
   1,978,363.44x = 2,730,654.72 × 1,119,421.89
4. Step 4: Simplify right side
   1,978,363.44x = 3,056,754,667,599.82
5. Step 5: Solve for x
   x = 3,056,754,667,599.82/1,978,363.44
6. Step 6: Final answer
   x = 1,545,092.58