Finding the Fourth Proportional to 118,068.81, 177,056.23 and 43,171.89

Step by Step Solution

1. Step 1: Write the proportion equation
   118,068.81 : 177,056.23 = 43,171.89 : x
2. Step 2: Convert to fraction form
   118,068.81/177,056.23 = 43,171.89/x
3. Step 3: Cross multiply
   118,068.81x = 177,056.23 × 43,171.89
4. Step 4: Simplify right side
   118,068.81x = 7,643,852,085.37
5. Step 5: Solve for x
   x = 7,643,852,085.37/118,068.81
6. Step 6: Final answer
   x = 64,740.65