Finding the Fourth Proportional to 118,064.28, 162,928.83 and 64,349.34

Step by Step Solution

1. Step 1: Write the proportion equation
   118,064.28 : 162,928.83 = 64,349.34 : x
2. Step 2: Convert to fraction form
   118,064.28/162,928.83 = 64,349.34/x
3. Step 3: Cross multiply
   118,064.28x = 162,928.83 × 64,349.34
4. Step 4: Simplify right side
   118,064.28x = 10,484,362,677.47
5. Step 5: Solve for x
   x = 10,484,362,677.47/118,064.28
6. Step 6: Final answer
   x = 88,802.16