Finding the Fourth Proportional to 118,066.87, 162,930.84 and 64,351.72

Step by Step Solution

1. Step 1: Write the proportion equation
   118,066.87 : 162,930.84 = 64,351.72 : x
2. Step 2: Convert to fraction form
   118,066.87/162,930.84 = 64,351.72/x
3. Step 3: Cross multiply
   118,066.87x = 162,930.84 × 64,351.72
4. Step 4: Simplify right side
   118,066.87x = 10,484,878,980.39
5. Step 5: Solve for x
   x = 10,484,878,980.39/118,066.87
6. Step 6: Final answer
   x = 88,804.59