Finding the Fourth Proportional to 4,818,756.98, 7,230,342.78 and 2,087,139.89

Step by Step Solution

1. Step 1: Write the proportion equation
   4,818,756.98 : 7,230,342.78 = 2,087,139.89 : x
2. Step 2: Convert to fraction form
   4,818,756.98/7,230,342.78 = 2,087,139.89/x
3. Step 3: Cross multiply
   4,818,756.98x = 7,230,342.78 × 2,087,139.89
4. Step 4: Simplify right side
   4,818,756.98x = 15,090,736,798,359.78
5. Step 5: Solve for x
   x = 15,090,736,798,359.78/4,818,756.98
6. Step 6: Final answer
   x = 3,131,665.88