Finding the Fourth Proportional to 2,130,314.50, 2,939,906.55 and 1,259,895.33

Step by Step Solution

1. Step 1: Write the proportion equation
   2,130,314.50 : 2,939,906.55 = 1,259,895.33 : x
2. Step 2: Convert to fraction form
   2,130,314.50/2,939,906.55 = 1,259,895.33/x
3. Step 3: Cross multiply
   2,130,314.50x = 2,939,906.55 × 1,259,895.33
4. Step 4: Simplify right side
   2,130,314.50x = 3,703,974,535,048.31
5. Step 5: Solve for x
   x = 3,703,974,535,048.31/2,130,314.50
6. Step 6: Final answer
   x = 1,738,698.46