Finding the Fourth Proportional to 72,427.88, 108,641.91 and 19,837.82

Step by Step Solution

1. Step 1: Write the proportion equation
   72,427.88 : 108,641.91 = 19,837.82 : x
2. Step 2: Convert to fraction form
   72,427.88/108,641.91 = 19,837.82/x
3. Step 3: Cross multiply
   72,427.88x = 108,641.91 × 19,837.82
4. Step 4: Simplify right side
   72,427.88x = 2,155,218,655.04
5. Step 5: Solve for x
   x = 2,155,218,655.04/72,427.88
6. Step 6: Final answer
   x = 29,756.75