Finding the Fourth Proportional to 83,003.31, 124,554.38 and 30,416.49

Step by Step Solution

1. Step 1: Write the proportion equation
   83,003.31 : 124,554.38 = 30,416.49 : x
2. Step 2: Convert to fraction form
   83,003.31/124,554.38 = 30,416.49/x
3. Step 3: Cross multiply
   83,003.31x = 124,554.38 × 30,416.49
4. Step 4: Simplify right side
   83,003.31x = 3,788,506,901.64
5. Step 5: Solve for x
   x = 3,788,506,901.64/83,003.31
6. Step 6: Final answer
   x = 45,642.84