Finding the Fourth Proportional to 2,150,012.64, 3,224,902.32 and 653,988

Step by Step Solution

1. Step 1: Write the proportion equation
   2,150,012.64 : 3,224,902.32 = 653,988 : x
2. Step 2: Convert to fraction form
   2,150,012.64/3,224,902.32 = 653,988/x
3. Step 3: Cross multiply
   2,150,012.64x = 3,224,902.32 × 653,988
4. Step 4: Simplify right side
   2,150,012.64x = 2,109,047,418,452.16
5. Step 5: Solve for x
   x = 2,109,047,418,452.16/2,150,012.64
6. Step 6: Final answer
   x = 980,946.52