Finding the Fourth Proportional to 76,275.82, 105,256.83 and 42,735.34

Step by Step Solution

1. Step 1: Write the proportion equation
   76,275.82 : 105,256.83 = 42,735.34 : x
2. Step 2: Convert to fraction form
   76,275.82/105,256.83 = 42,735.34/x
3. Step 3: Cross multiply
   76,275.82x = 105,256.83 × 42,735.34
4. Step 4: Simplify right side
   76,275.82x = 4,498,186,417.37
5. Step 5: Solve for x
   x = 4,498,186,417.37/76,275.82
6. Step 6: Final answer
   x = 58,972.64