Finding the Fourth Proportional to 112,503.54, 155,243.25 and 70,066.74

Step by Step Solution

1. Step 1: Write the proportion equation
   112,503.54 : 155,243.25 = 70,066.74 : x
2. Step 2: Convert to fraction form
   112,503.54/155,243.25 = 70,066.74/x
3. Step 3: Cross multiply
   112,503.54x = 155,243.25 × 70,066.74
4. Step 4: Simplify right side
   112,503.54x = 10,877,388,434.51
5. Step 5: Solve for x
   x = 10,877,388,434.51/112,503.54
6. Step 6: Final answer
   x = 96,684.85