Finding the Fourth Proportional to 111,687.84, 167,291.18 and 52,434.72

Step by Step Solution

1. Step 1: Write the proportion equation
   111,687.84 : 167,291.18 = 52,434.72 : x
2. Step 2: Convert to fraction form
   111,687.84/167,291.18 = 52,434.72/x
3. Step 3: Cross multiply
   111,687.84x = 167,291.18 × 52,434.72
4. Step 4: Simplify right side
   111,687.84x = 8,771,866,181.77
5. Step 5: Solve for x
   x = 8,771,866,181.77/111,687.84
6. Step 6: Final answer
   x = 78,539.13