Finding the Fourth Proportional to 118,023.51, 162,870.38 and 64,308.97

Step by Step Solution

1. Step 1: Write the proportion equation
   118,023.51 : 162,870.38 = 64,308.97 : x
2. Step 2: Convert to fraction form
   118,023.51/162,870.38 = 64,308.97/x
3. Step 3: Cross multiply
   118,023.51x = 162,870.38 × 64,308.97
4. Step 4: Simplify right side
   118,023.51x = 10,474,026,381.31
5. Step 5: Solve for x
   x = 10,474,026,381.31/118,023.51
6. Step 6: Final answer
   x = 88,745.25