Finding the Fourth Proportional to 3,590,116.78, 4,953,683.56 and 2,139,947.15

Step by Step Solution

1. Step 1: Write the proportion equation
   3,590,116.78 : 4,953,683.56 = 2,139,947.15 : x
2. Step 2: Convert to fraction form
   3,590,116.78/4,953,683.56 = 2,139,947.15/x
3. Step 3: Cross multiply
   3,590,116.78x = 4,953,683.56 × 2,139,947.15
4. Step 4: Simplify right side
   3,590,116.78x = 10,600,621,024,001.04
5. Step 5: Solve for x
   x = 10,600,621,024,001.04/3,590,116.78
6. Step 6: Final answer
   x = 2,952,723.18