Finding the Fourth Proportional to 53,528.77, 73,839.94 and 42,156.37

Step by Step Solution

1. Step 1: Write the proportion equation
   53,528.77 : 73,839.94 = 42,156.37 : x
2. Step 2: Convert to fraction form
   53,528.77/73,839.94 = 42,156.37/x
3. Step 3: Cross multiply
   53,528.77x = 73,839.94 × 42,156.37
4. Step 4: Simplify right side
   53,528.77x = 3,112,823,831.42
5. Step 5: Solve for x
   x = 3,112,823,831.42/53,528.77
6. Step 6: Final answer
   x = 58,152.35