Finding the Fourth Proportional to 55,992,453.27, 83,970,516.15 and 21,447,016.80

Step by Step Solution

1. Step 1: Write the proportion equation
   55,992,453.27 : 83,970,516.15 = 21,447,016.80 : x
2. Step 2: Convert to fraction form
   55,992,453.27/83,970,516.15 = 21,447,016.80/x
3. Step 3: Cross multiply
   55,992,453.27x = 83,970,516.15 × 21,447,016.80
4. Step 4: Simplify right side
   55,992,453.27x = 1,800,917,070,573,721.50
5. Step 5: Solve for x
   x = 1,800,917,070,573,721.50/55,992,453.27
6. Step 6: Final answer
   x = 32,163,567.86