Finding the Fourth Proportional to 70,838.04, 106,300.78 and 29,285

Step by Step Solution

1. Step 1: Write the proportion equation
   70,838.04 : 106,300.78 = 29,285 : x
2. Step 2: Convert to fraction form
   70,838.04/106,300.78 = 29,285/x
3. Step 3: Cross multiply
   70,838.04x = 106,300.78 × 29,285
4. Step 4: Simplify right side
   70,838.04x = 3,113,018,342.30
5. Step 5: Solve for x
   x = 3,113,018,342.30/70,838.04
6. Step 6: Final answer
   x = 43,945.57