Finding the Fourth Proportional to 118,485.09, 177,758.76 and 42,591.33

Step by Step Solution

1. Step 1: Write the proportion equation
   118,485.09 : 177,758.76 = 42,591.33 : x
2. Step 2: Convert to fraction form
   118,485.09/177,758.76 = 42,591.33/x
3. Step 3: Cross multiply
   118,485.09x = 177,758.76 × 42,591.33
4. Step 4: Simplify right side
   118,485.09x = 7,570,982,007.55
5. Step 5: Solve for x
   x = 7,570,982,007.55/118,485.09
6. Step 6: Final answer
   x = 63,898.18