Finding the Fourth Proportional to 52,314.40, 72,194.16 and 30,805.08

Step by Step Solution

1. Step 1: Write the proportion equation
   52,314.40 : 72,194.16 = 30,805.08 : x
2. Step 2: Convert to fraction form
   52,314.40/72,194.16 = 30,805.08/x
3. Step 3: Cross multiply
   52,314.40x = 72,194.16 × 30,805.08
4. Step 4: Simplify right side
   52,314.40x = 2,223,946,874.33
5. Step 5: Solve for x
   x = 2,223,946,874.33/52,314.40
6. Step 6: Final answer
   x = 42,511.18