Finding the Fourth Proportional to 56,817.32, 78,410.58 and 31,667

Step by Step Solution

1. Step 1: Write the proportion equation
   56,817.32 : 78,410.58 = 31,667 : x
2. Step 2: Convert to fraction form
   56,817.32/78,410.58 = 31,667/x
3. Step 3: Cross multiply
   56,817.32x = 78,410.58 × 31,667
4. Step 4: Simplify right side
   56,817.32x = 2,483,027,836.86
5. Step 5: Solve for x
   x = 2,483,027,836.86/56,817.32
6. Step 6: Final answer
   x = 43,701.95