Finding the Fourth Proportional to 144,810.79, 199,838.95 and 88,222.16

Step by Step Solution

1. Step 1: Write the proportion equation
   144,810.79 : 199,838.95 = 88,222.16 : x
2. Step 2: Convert to fraction form
   144,810.79/199,838.95 = 88,222.16/x
3. Step 3: Cross multiply
   144,810.79x = 199,838.95 × 88,222.16
4. Step 4: Simplify right side
   144,810.79x = 17,630,224,100.17
5. Step 5: Solve for x
   x = 17,630,224,100.17/144,810.79
6. Step 6: Final answer
   x = 121,746.62