Finding the Fourth Proportional to 45,494.06, 62,780.82 and 31,153.46

Step by Step Solution

1. Step 1: Write the proportion equation
   45,494.06 : 62,780.82 = 31,153.46 : x
2. Step 2: Convert to fraction form
   45,494.06/62,780.82 = 31,153.46/x
3. Step 3: Cross multiply
   45,494.06x = 62,780.82 × 31,153.46
4. Step 4: Simplify right side
   45,494.06x = 1,955,839,764.64
5. Step 5: Solve for x
   x = 1,955,839,764.64/45,494.06
6. Step 6: Final answer
   x = 42,991.10