Finding the Fourth Proportional to 115,068.12, 158,790.74 and 64,080.84

Step by Step Solution

1. Step 1: Write the proportion equation
   115,068.12 : 158,790.74 = 64,080.84 : x
2. Step 2: Convert to fraction form
   115,068.12/158,790.74 = 64,080.84/x
3. Step 3: Cross multiply
   115,068.12x = 158,790.74 × 64,080.84
4. Step 4: Simplify right side
   115,068.12x = 10,175,444,003.42
5. Step 5: Solve for x
   x = 10,175,444,003.42/115,068.12
6. Step 6: Final answer
   x = 88,429.74