Finding the Fourth Proportional to 53,156.25, 73,365.35 and 30,800.25

Step by Step Solution

1. Step 1: Write the proportion equation
   53,156.25 : 73,365.35 = 30,800.25 : x
2. Step 2: Convert to fraction form
   53,156.25/73,365.35 = 30,800.25/x
3. Step 3: Cross multiply
   53,156.25x = 73,365.35 × 30,800.25
4. Step 4: Simplify right side
   53,156.25x = 2,259,670,967.34
5. Step 5: Solve for x
   x = 2,259,670,967.34/53,156.25
6. Step 6: Final answer
   x = 42,509.98