Finding the Fourth Proportional to 118,047.54, 162,900.86 and 64,331.39

Step by Step Solution

1. Step 1: Write the proportion equation
   118,047.54 : 162,900.86 = 64,331.39 : x
2. Step 2: Convert to fraction form
   118,047.54/162,900.86 = 64,331.39/x
3. Step 3: Cross multiply
   118,047.54x = 162,900.86 × 64,331.39
4. Step 4: Simplify right side
   118,047.54x = 10,479,638,434.34
5. Step 5: Solve for x
   x = 10,479,638,434.34/118,047.54
6. Step 6: Final answer
   x = 88,774.73