Finding the Fourth Proportional to 92,673.06, 138,902.06 and 42,648.14

Step by Step Solution

1. Step 1: Write the proportion equation
   92,673.06 : 138,902.06 = 42,648.14 : x
2. Step 2: Convert to fraction form
   92,673.06/138,902.06 = 42,648.14/x
3. Step 3: Cross multiply
   92,673.06x = 138,902.06 × 42,648.14
4. Step 4: Simplify right side
   92,673.06x = 5,923,914,501.17
5. Step 5: Solve for x
   x = 5,923,914,501.17/92,673.06
6. Step 6: Final answer
   x = 63,922.72