Finding the Fourth Proportional to 2,111,874.93, 2,914,409.78 and 1,240,745.91

Step by Step Solution

1. Step 1: Write the proportion equation
   2,111,874.93 : 2,914,409.78 = 1,240,745.91 : x
2. Step 2: Convert to fraction form
   2,111,874.93/2,914,409.78 = 1,240,745.91/x
3. Step 3: Cross multiply
   2,111,874.93x = 2,914,409.78 × 1,240,745.91
4. Step 4: Simplify right side
   2,111,874.93x = 3,616,042,014,599.00
5. Step 5: Solve for x
   x = 3,616,042,014,599.00/2,111,874.93
6. Step 6: Final answer
   x = 1,712,242.50