Finding the Fourth Proportional to 42,723.82, 58,875.62 and 30,764.57

Step by Step Solution

1. Step 1: Write the proportion equation
   42,723.82 : 58,875.62 = 30,764.57 : x
2. Step 2: Convert to fraction form
   42,723.82/58,875.62 = 30,764.57/x
3. Step 3: Cross multiply
   42,723.82x = 58,875.62 × 30,764.57
4. Step 4: Simplify right side
   42,723.82x = 1,811,283,120.18
5. Step 5: Solve for x
   x = 1,811,283,120.18/42,723.82
6. Step 6: Final answer
   x = 42,395.16