Finding the Fourth Proportional to 88,256, 121,709.46 and 58,066.94

Step by Step Solution

1. Step 1: Write the proportion equation
   88,256 : 121,709.46 = 58,066.94 : x
2. Step 2: Convert to fraction form
   88,256/121,709.46 = 58,066.94/x
3. Step 3: Cross multiply
   88,256x = 121,709.46 × 58,066.94
4. Step 4: Simplify right side
   88,256x = 7,067,295,911.25
5. Step 5: Solve for x
   x = 7,067,295,911.25/88,256
6. Step 6: Final answer
   x = 80,077.23