Finding the Fourth Proportional to 52,479.72, 78,742.71 and 27,513.81

Step by Step Solution

1. Step 1: Write the proportion equation
   52,479.72 : 78,742.71 = 27,513.81 : x
2. Step 2: Convert to fraction form
   52,479.72/78,742.71 = 27,513.81/x
3. Step 3: Cross multiply
   52,479.72x = 78,742.71 × 27,513.81
4. Step 4: Simplify right side
   52,479.72x = 2,166,511,961.83
5. Step 5: Solve for x
   x = 2,166,511,961.83/52,479.72
6. Step 6: Final answer
   x = 41,282.84