Finding the Fourth Proportional to 42,767.68, 59,027 and 31,453.60

Step by Step Solution

1. Step 1: Write the proportion equation
   42,767.68 : 59,027 = 31,453.60 : x
2. Step 2: Convert to fraction form
   42,767.68/59,027 = 31,453.60/x
3. Step 3: Cross multiply
   42,767.68x = 59,027 × 31,453.60
4. Step 4: Simplify right side
   42,767.68x = 1,856,611,647.20
5. Step 5: Solve for x
   x = 1,856,611,647.20/42,767.68
6. Step 6: Final answer
   x = 43,411.56