Finding the Fourth Proportional to 78,608.51, 108,547.18 and 76,066.54

Step by Step Solution

1. Step 1: Write the proportion equation
   78,608.51 : 108,547.18 = 76,066.54 : x
2. Step 2: Convert to fraction form
   78,608.51/108,547.18 = 76,066.54/x
3. Step 3: Cross multiply
   78,608.51x = 108,547.18 × 76,066.54
4. Step 4: Simplify right side
   78,608.51x = 8,256,808,443.54
5. Step 5: Solve for x
   x = 8,256,808,443.54/78,608.51
6. Step 6: Final answer
   x = 105,037.08