Finding the Fourth Proportional to 111,174.48, 153,444.60 and 70,878.96

Step by Step Solution

1. Step 1: Write the proportion equation
   111,174.48 : 153,444.60 = 70,878.96 : x
2. Step 2: Convert to fraction form
   111,174.48/153,444.60 = 70,878.96/x
3. Step 3: Cross multiply
   111,174.48x = 153,444.60 × 70,878.96
4. Step 4: Simplify right side
   111,174.48x = 10,875,993,665.62
5. Step 5: Solve for x
   x = 10,875,993,665.62/111,174.48
6. Step 6: Final answer
   x = 97,828.15