Finding the Fourth Proportional to 118,023.52, 162,870.40 and 64,308.96

Step by Step Solution

1. Step 1: Write the proportion equation
   118,023.52 : 162,870.40 = 64,308.96 : x
2. Step 2: Convert to fraction form
   118,023.52/162,870.40 = 64,308.96/x
3. Step 3: Cross multiply
   118,023.52x = 162,870.40 × 64,308.96
4. Step 4: Simplify right side
   118,023.52x = 10,474,026,038.78
5. Step 5: Solve for x
   x = 10,474,026,038.78/118,023.52
6. Step 6: Final answer
   x = 88,745.24