Finding the Fourth Proportional to 123,925.82, 171,018.19 and 70,221.30

Step by Step Solution

1. Step 1: Write the proportion equation
   123,925.82 : 171,018.19 = 70,221.30 : x
2. Step 2: Convert to fraction form
   123,925.82/171,018.19 = 70,221.30/x
3. Step 3: Cross multiply
   123,925.82x = 171,018.19 × 70,221.30
4. Step 4: Simplify right side
   123,925.82x = 12,009,118,676.91
5. Step 5: Solve for x
   x = 12,009,118,676.91/123,925.82
6. Step 6: Final answer
   x = 96,905.71