Finding the Fourth Proportional to 111,820.58, 167,730.84 and 76,653.62

Step by Step Solution

1. Step 1: Write the proportion equation
   111,820.58 : 167,730.84 = 76,653.62 : x
2. Step 2: Convert to fraction form
   111,820.58/167,730.84 = 76,653.62/x
3. Step 3: Cross multiply
   111,820.58x = 167,730.84 × 76,653.62
4. Step 4: Simplify right side
   111,820.58x = 12,857,176,071.64
5. Step 5: Solve for x
   x = 12,857,176,071.64/111,820.58
6. Step 6: Final answer
   x = 114,980.41