Finding the Fourth Proportional to 111,420.02, 153,761.72 and 68,377.97

Step by Step Solution

1. Step 1: Write the proportion equation
   111,420.02 : 153,761.72 = 68,377.97 : x
2. Step 2: Convert to fraction form
   111,420.02/153,761.72 = 68,377.97/x
3. Step 3: Cross multiply
   111,420.02x = 153,761.72 × 68,377.97
4. Step 4: Simplify right side
   111,420.02x = 10,513,913,679.44
5. Step 5: Solve for x
   x = 10,513,913,679.44/111,420.02
6. Step 6: Final answer
   x = 94,362.88