Finding the Fourth Proportional to 117,899.03, 162,702.74 and 64,185.59

Step by Step Solution

1. Step 1: Write the proportion equation
   117,899.03 : 162,702.74 = 64,185.59 : x
2. Step 2: Convert to fraction form
   117,899.03/162,702.74 = 64,185.59/x
3. Step 3: Cross multiply
   117,899.03x = 162,702.74 × 64,185.59
4. Step 4: Simplify right side
   117,899.03x = 10,443,171,361.52
5. Step 5: Solve for x
   x = 10,443,171,361.52/117,899.03
6. Step 6: Final answer
   x = 88,577.25