Finding the Fourth Proportional to 52,805.84, 72,853.83 and 30,128.46

Step by Step Solution

1. Step 1: Write the proportion equation
   52,805.84 : 72,853.83 = 30,128.46 : x
2. Step 2: Convert to fraction form
   52,805.84/72,853.83 = 30,128.46/x
3. Step 3: Cross multiply
   52,805.84x = 72,853.83 × 30,128.46
4. Step 4: Simplify right side
   52,805.84x = 2,194,973,703.00
5. Step 5: Solve for x
   x = 2,194,973,703.00/52,805.84
6. Step 6: Final answer
   x = 41,566.88