Finding the Fourth Proportional to 53,527.77, 73,838.56 and 42,155.37

Step by Step Solution

1. Step 1: Write the proportion equation
   53,527.77 : 73,838.56 = 42,155.37 : x
2. Step 2: Convert to fraction form
   53,527.77/73,838.56 = 42,155.37/x
3. Step 3: Cross multiply
   53,527.77x = 73,838.56 × 42,155.37
4. Step 4: Simplify right side
   53,527.77x = 3,112,691,342.49
5. Step 5: Solve for x
   x = 3,112,691,342.49/53,527.77
6. Step 6: Final answer
   x = 58,150.97