Finding the Fourth Proportional to 30,863,065.52, 42,571,510.68 and 19,830,854.48

Step by Step Solution

1. Step 1: Write the proportion equation
   30,863,065.52 : 42,571,510.68 = 19,830,854.48 : x
2. Step 2: Convert to fraction form
   30,863,065.52/42,571,510.68 = 19,830,854.48/x
3. Step 3: Cross multiply
   30,863,065.52x = 42,571,510.68 × 19,830,854.48
4. Step 4: Simplify right side
   30,863,065.52x = 844,229,433,288,845.88
5. Step 5: Solve for x
   x = 844,229,433,288,845.88/30,863,065.52
6. Step 6: Final answer
   x = 27,354,036.91