Finding the Fourth Proportional to 53,591.40, 73,870.88 and 42,242.48

Step by Step Solution

1. Step 1: Write the proportion equation
   53,591.40 : 73,870.88 = 42,242.48 : x
2. Step 2: Convert to fraction form
   53,591.40/73,870.88 = 42,242.48/x
3. Step 3: Cross multiply
   53,591.40x = 73,870.88 × 42,242.48
4. Step 4: Simplify right side
   53,591.40x = 3,120,489,170.98
5. Step 5: Solve for x
   x = 3,120,489,170.98/53,591.40
6. Step 6: Final answer
   x = 58,227.42