Finding the Fourth Proportional to 160,498.71, 221,485.28 and 88,878.51

Step by Step Solution

1. Step 1: Write the proportion equation
   160,498.71 : 221,485.28 = 88,878.51 : x
2. Step 2: Convert to fraction form
   160,498.71/221,485.28 = 88,878.51/x
3. Step 3: Cross multiply
   160,498.71x = 221,485.28 × 88,878.51
4. Step 4: Simplify right side
   160,498.71x = 19,685,281,228.94
5. Step 5: Solve for x
   x = 19,685,281,228.94/160,498.71
6. Step 6: Final answer
   x = 122,650.71