Finding the Fourth Proportional to 55,057,976.88, 82,587,096.48 and 16,719,779.28

Step by Step Solution

1. Step 1: Write the proportion equation
   55,057,976.88 : 82,587,096.48 = 16,719,779.28 : x
2. Step 2: Convert to fraction form
   55,057,976.88/82,587,096.48 = 16,719,779.28/x
3. Step 3: Cross multiply
   55,057,976.88x = 82,587,096.48 × 16,719,779.28
4. Step 4: Simplify right side
   55,057,976.88x = 1,380,838,024,521,665
5. Step 5: Solve for x
   x = 1,380,838,024,521,665/55,057,976.88
6. Step 6: Final answer
   x = 25,079,708.75