Finding the Fourth Proportional to 88,258, 121,712.22 and 58,068.94

Step by Step Solution

1. Step 1: Write the proportion equation
   88,258 : 121,712.22 = 58,068.94 : x
2. Step 2: Convert to fraction form
   88,258/121,712.22 = 58,068.94/x
3. Step 3: Cross multiply
   88,258x = 121,712.22 × 58,068.94
4. Step 4: Simplify right side
   88,258x = 7,067,699,600.45
5. Step 5: Solve for x
   x = 7,067,699,600.45/88,258
6. Step 6: Final answer
   x = 80,079.99