Finding the Fourth Proportional to 2,180,648.86, 3,009,295.59 and 1,213,758.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,180,648.86 : 3,009,295.59 = 1,213,758.34 : x
2. Step 2: Convert to fraction form
   2,180,648.86/3,009,295.59 = 1,213,758.34/x
3. Step 3: Cross multiply
   2,180,648.86x = 3,009,295.59 × 1,213,758.34
4. Step 4: Simplify right side
   2,180,648.86x = 3,652,557,619,887.72
5. Step 5: Solve for x
   x = 3,652,557,619,887.72/2,180,648.86
6. Step 6: Final answer
   x = 1,674,986.60