Finding the Fourth Proportional to 112,776.24, 169,111.39 and 65,404.80

Step by Step Solution

1. Step 1: Write the proportion equation
   112,776.24 : 169,111.39 = 65,404.80 : x
2. Step 2: Convert to fraction form
   112,776.24/169,111.39 = 65,404.80/x
3. Step 3: Cross multiply
   112,776.24x = 169,111.39 × 65,404.80
4. Step 4: Simplify right side
   112,776.24x = 11,060,696,477.16
5. Step 5: Solve for x
   x = 11,060,696,477.16/112,776.24
6. Step 6: Final answer
   x = 98,076.48