Finding the Fourth Proportional to 70,913.88, 106,182.90 and 42,796.35

Step by Step Solution

1. Step 1: Write the proportion equation
   70,913.88 : 106,182.90 = 42,796.35 : x
2. Step 2: Convert to fraction form
   70,913.88/106,182.90 = 42,796.35/x
3. Step 3: Cross multiply
   70,913.88x = 106,182.90 × 42,796.35
4. Step 4: Simplify right side
   70,913.88x = 4,544,240,552.42
5. Step 5: Solve for x
   x = 4,544,240,552.42/70,913.88
6. Step 6: Final answer
   x = 64,081.12