Finding the Fourth Proportional to 3,499,558.70, 5,249,903.43 and 1,478,106.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,499,558.70 : 5,249,903.43 = 1,478,106.50 : x
2. Step 2: Convert to fraction form
   3,499,558.70/5,249,903.43 = 1,478,106.50/x
3. Step 3: Cross multiply
   3,499,558.70x = 5,249,903.43 × 1,478,106.50
4. Step 4: Simplify right side
   3,499,558.70x = 7,759,916,384,255.30
5. Step 5: Solve for x
   x = 7,759,916,384,255.30/3,499,558.70
6. Step 6: Final answer
   x = 2,217,398.55