Finding the Fourth Proportional to 2,580,209.94, 3,870,327.30 and 783,109.01

Step by Step Solution

1. Step 1: Write the proportion equation
   2,580,209.94 : 3,870,327.30 = 783,109.01 : x
2. Step 2: Convert to fraction form
   2,580,209.94/3,870,327.30 = 783,109.01/x
3. Step 3: Cross multiply
   2,580,209.94x = 3,870,327.30 × 783,109.01
4. Step 4: Simplify right side
   2,580,209.94x = 3,030,888,160,927.34
5. Step 5: Solve for x
   x = 3,030,888,160,927.34/2,580,209.94
6. Step 6: Final answer
   x = 1,174,667.27