Finding the Fourth Proportional to 88,100.16, 121,575.45 and 49,338.10

Step by Step Solution

1. Step 1: Write the proportion equation
   88,100.16 : 121,575.45 = 49,338.10 : x
2. Step 2: Convert to fraction form
   88,100.16/121,575.45 = 49,338.10/x
3. Step 3: Cross multiply
   88,100.16x = 121,575.45 × 49,338.10
4. Step 4: Simplify right side
   88,100.16x = 5,998,301,709.65
5. Step 5: Solve for x
   x = 5,998,301,709.65/88,100.16
6. Step 6: Final answer
   x = 68,085.03