Finding the Fourth Proportional to 70,742.74, 106,185.78 and 62,789.34

Step by Step Solution

1. Step 1: Write the proportion equation
   70,742.74 : 106,185.78 = 62,789.34 : x
2. Step 2: Convert to fraction form
   70,742.74/106,185.78 = 62,789.34/x
3. Step 3: Cross multiply
   70,742.74x = 106,185.78 × 62,789.34
4. Step 4: Simplify right side
   70,742.74x = 6,667,335,043.59
5. Step 5: Solve for x
   x = 6,667,335,043.59/70,742.74
6. Step 6: Final answer
   x = 94,247.62