Finding the Fourth Proportional to 53,268.89, 79,902.54 and 30,813.30

Step by Step Solution

1. Step 1: Write the proportion equation
   53,268.89 : 79,902.54 = 30,813.30 : x
2. Step 2: Convert to fraction form
   53,268.89/79,902.54 = 30,813.30/x
3. Step 3: Cross multiply
   53,268.89x = 79,902.54 × 30,813.30
4. Step 4: Simplify right side
   53,268.89x = 2,462,060,935.78
5. Step 5: Solve for x
   x = 2,462,060,935.78/53,268.89
6. Step 6: Final answer
   x = 46,219.49