Finding the Fourth Proportional to 53,759,091.47, 80,638,640.88 and 21,433,694.42

Step by Step Solution

1. Step 1: Write the proportion equation
   53,759,091.47 : 80,638,640.88 = 21,433,694.42 : x
2. Step 2: Convert to fraction form
   53,759,091.47/80,638,640.88 = 21,433,694.42/x
3. Step 3: Cross multiply
   53,759,091.47x = 80,638,640.88 × 21,433,694.42
4. Step 4: Simplify right side
   53,759,091.47x = 1,728,383,987,066,040
5. Step 5: Solve for x
   x = 1,728,383,987,066,040/53,759,091.47
6. Step 6: Final answer
   x = 32,150,543.10