Finding the Fourth Proportional to 52,641.38, 78,939.59 and 30,470.06

Step by Step Solution

1. Step 1: Write the proportion equation
   52,641.38 : 78,939.59 = 30,470.06 : x
2. Step 2: Convert to fraction form
   52,641.38/78,939.59 = 30,470.06/x
3. Step 3: Cross multiply
   52,641.38x = 78,939.59 × 30,470.06
4. Step 4: Simplify right side
   52,641.38x = 2,405,293,496.63
5. Step 5: Solve for x
   x = 2,405,293,496.63/52,641.38
6. Step 6: Final answer
   x = 45,692.07