Finding the Fourth Proportional to 30,837.32, 42,553.12 and 17,409.89

Step by Step Solution

1. Step 1: Write the proportion equation
   30,837.32 : 42,553.12 = 17,409.89 : x
2. Step 2: Convert to fraction form
   30,837.32/42,553.12 = 17,409.89/x
3. Step 3: Cross multiply
   30,837.32x = 42,553.12 × 17,409.89
4. Step 4: Simplify right side
   30,837.32x = 740,845,201.21
5. Step 5: Solve for x
   x = 740,845,201.21/30,837.32
6. Step 6: Final answer
   x = 24,024.31