Finding the Fourth Proportional to 118,601.42, 177,923.72 and 56,271.38

Step by Step Solution

1. Step 1: Write the proportion equation
   118,601.42 : 177,923.72 = 56,271.38 : x
2. Step 2: Convert to fraction form
   118,601.42/177,923.72 = 56,271.38/x
3. Step 3: Cross multiply
   118,601.42x = 177,923.72 × 56,271.38
4. Step 4: Simplify right side
   118,601.42x = 10,012,012,510.19
5. Step 5: Solve for x
   x = 10,012,012,510.19/118,601.42
6. Step 6: Final answer
   x = 84,417.31