Finding the Fourth Proportional to 3,658,648.05, 5,461,870.85 and 3,415,513.18

Step by Step Solution

1. Step 1: Write the proportion equation
   3,658,648.05 : 5,461,870.85 = 3,415,513.18 : x
2. Step 2: Convert to fraction form
   3,658,648.05/5,461,870.85 = 3,415,513.18/x
3. Step 3: Cross multiply
   3,658,648.05x = 5,461,870.85 × 3,415,513.18
4. Step 4: Simplify right side
   3,658,648.05x = 18,655,091,875,632.80
5. Step 5: Solve for x
   x = 18,655,091,875,632.80/3,658,648.05
6. Step 6: Final answer
   x = 5,098,903.10