Finding the Fourth Proportional to 55,828.91, 83,755.67 and 30,905.31

Step by Step Solution

1. Step 1: Write the proportion equation
   55,828.91 : 83,755.67 = 30,905.31 : x
2. Step 2: Convert to fraction form
   55,828.91/83,755.67 = 30,905.31/x
3. Step 3: Cross multiply
   55,828.91x = 83,755.67 × 30,905.31
4. Step 4: Simplify right side
   55,828.91x = 2,588,494,945.61
5. Step 5: Solve for x
   x = 2,588,494,945.61/55,828.91
6. Step 6: Final answer
   x = 46,364.78