Finding the Fourth Proportional to 53,533.89, 73,887.12 and 30,887.51

Step by Step Solution

1. Step 1: Write the proportion equation
   53,533.89 : 73,887.12 = 30,887.51 : x
2. Step 2: Convert to fraction form
   53,533.89/73,887.12 = 30,887.51/x
3. Step 3: Cross multiply
   53,533.89x = 73,887.12 × 30,887.51
4. Step 4: Simplify right side
   53,533.89x = 2,282,188,788.44
5. Step 5: Solve for x
   x = 2,282,188,788.44/53,533.89
6. Step 6: Final answer
   x = 42,630.73