Finding the Fourth Proportional to 2,144,099.88, 3,216,616.38 and 648,153

Step by Step Solution

1. Step 1: Write the proportion equation
   2,144,099.88 : 3,216,616.38 = 648,153 : x
2. Step 2: Convert to fraction form
   2,144,099.88/3,216,616.38 = 648,153/x
3. Step 3: Cross multiply
   2,144,099.88x = 3,216,616.38 × 648,153
4. Step 4: Simplify right side
   2,144,099.88x = 2,084,859,556,546.14
5. Step 5: Solve for x
   x = 2,084,859,556,546.14/2,144,099.88
6. Step 6: Final answer
   x = 972,370.54