Finding the Fourth Proportional to 53,502.89, 73,826.10 and 30,840.10

Step by Step Solution

1. Step 1: Write the proportion equation
   53,502.89 : 73,826.10 = 30,840.10 : x
2. Step 2: Convert to fraction form
   53,502.89/73,826.10 = 30,840.10/x
3. Step 3: Cross multiply
   53,502.89x = 73,826.10 × 30,840.10
4. Step 4: Simplify right side
   53,502.89x = 2,276,804,122.04
5. Step 5: Solve for x
   x = 2,276,804,122.04/53,502.89
6. Step 6: Final answer
   x = 42,554.79