Finding the Fourth Proportional to 118,014.87, 162,858.47 and 64,300.28

Step by Step Solution

1. Step 1: Write the proportion equation
   118,014.87 : 162,858.47 = 64,300.28 : x
2. Step 2: Convert to fraction form
   118,014.87/162,858.47 = 64,300.28/x
3. Step 3: Cross multiply
   118,014.87x = 162,858.47 × 64,300.28
4. Step 4: Simplify right side
   118,014.87x = 10,471,845,221.37
5. Step 5: Solve for x
   x = 10,471,845,221.37/118,014.87
6. Step 6: Final answer
   x = 88,733.27