Finding the Fourth Proportional to 111,515.58, 167,054.67 and 64,670.04

Step by Step Solution

1. Step 1: Write the proportion equation
   111,515.58 : 167,054.67 = 64,670.04 : x
2. Step 2: Convert to fraction form
   111,515.58/167,054.67 = 64,670.04/x
3. Step 3: Cross multiply
   111,515.58x = 167,054.67 × 64,670.04
4. Step 4: Simplify right side
   111,515.58x = 10,803,432,191.09
5. Step 5: Solve for x
   x = 10,803,432,191.09/111,515.58
6. Step 6: Final answer
   x = 96,878.23