Finding the Fourth Proportional to 118,059.56, 162,917.42 and 64,343.42

Step by Step Solution

1. Step 1: Write the proportion equation
   118,059.56 : 162,917.42 = 64,343.42 : x
2. Step 2: Convert to fraction form
   118,059.56/162,917.42 = 64,343.42/x
3. Step 3: Cross multiply
   118,059.56x = 162,917.42 × 64,343.42
4. Step 4: Simplify right side
   118,059.56x = 10,482,662,844.07
5. Step 5: Solve for x
   x = 10,482,662,844.07/118,059.56
6. Step 6: Final answer
   x = 88,791.31