Finding the Fourth Proportional to 21,985.89, 32,900.01 and 19,034.49

Step by Step Solution

1. Step 1: Write the proportion equation
   21,985.89 : 32,900.01 = 19,034.49 : x
2. Step 2: Convert to fraction form
   21,985.89/32,900.01 = 19,034.49/x
3. Step 3: Cross multiply
   21,985.89x = 32,900.01 × 19,034.49
4. Step 4: Simplify right side
   21,985.89x = 626,234,716.59
5. Step 5: Solve for x
   x = 626,234,716.59/21,985.89
6. Step 6: Final answer
   x = 28,483.48