Finding the Fourth Proportional to 56,856, 85,314.72 and 27,672

Step by Step Solution

1. Step 1: Write the proportion equation
   56,856 : 85,314.72 = 27,672 : x
2. Step 2: Convert to fraction form
   56,856/85,314.72 = 27,672/x
3. Step 3: Cross multiply
   56,856x = 85,314.72 × 27,672
4. Step 4: Simplify right side
   56,856x = 2,360,828,931.84
5. Step 5: Solve for x
   x = 2,360,828,931.84/56,856
6. Step 6: Final answer
   x = 41,522.95