Finding the Fourth Proportional to 70,910.56, 97,856.57 and 42,616.25

Step by Step Solution

1. Step 1: Write the proportion equation
   70,910.56 : 97,856.57 = 42,616.25 : x
2. Step 2: Convert to fraction form
   70,910.56/97,856.57 = 42,616.25/x
3. Step 3: Cross multiply
   70,910.56x = 97,856.57 × 42,616.25
4. Step 4: Simplify right side
   70,910.56x = 4,170,279,348.90
5. Step 5: Solve for x
   x = 4,170,279,348.90/70,910.56
6. Step 6: Final answer
   x = 58,810.42