Finding the Fourth Proportional to 112,521.64, 155,295.30 and 67,801

Step by Step Solution

1. Step 1: Write the proportion equation
   112,521.64 : 155,295.30 = 67,801 : x
2. Step 2: Convert to fraction form
   112,521.64/155,295.30 = 67,801/x
3. Step 3: Cross multiply
   112,521.64x = 155,295.30 × 67,801
4. Step 4: Simplify right side
   112,521.64x = 10,529,176,635.30
5. Step 5: Solve for x
   x = 10,529,176,635.30/112,521.64
6. Step 6: Final answer
   x = 93,574.68