Finding the Fourth Proportional to 111,790.87, 167,645.72 and 61,227.45

Step by Step Solution

1. Step 1: Write the proportion equation
   111,790.87 : 167,645.72 = 61,227.45 : x
2. Step 2: Convert to fraction form
   111,790.87/167,645.72 = 61,227.45/x
3. Step 3: Cross multiply
   111,790.87x = 167,645.72 × 61,227.45
4. Step 4: Simplify right side
   111,790.87x = 10,264,520,092.08
5. Step 5: Solve for x
   x = 10,264,520,092.08/111,790.87
6. Step 6: Final answer
   x = 91,818.95