Finding the Fourth Proportional to 123,837.31, 185,755.97 and 30,342.25

Step by Step Solution

1. Step 1: Write the proportion equation
   123,837.31 : 185,755.97 = 30,342.25 : x
2. Step 2: Convert to fraction form
   123,837.31/185,755.97 = 30,342.25/x
3. Step 3: Cross multiply
   123,837.31x = 185,755.97 × 30,342.25
4. Step 4: Simplify right side
   123,837.31x = 5,636,254,080.73
5. Step 5: Solve for x
   x = 5,636,254,080.73/123,837.31
6. Step 6: Final answer
   x = 45,513.38