Finding the Fourth Proportional to 70,810.76, 97,728.18 and 42,518.27

Step by Step Solution

1. Step 1: Write the proportion equation
   70,810.76 : 97,728.18 = 42,518.27 : x
2. Step 2: Convert to fraction form
   70,810.76/97,728.18 = 42,518.27/x
3. Step 3: Cross multiply
   70,810.76x = 97,728.18 × 42,518.27
4. Step 4: Simplify right side
   70,810.76x = 4,155,233,143.85
5. Step 5: Solve for x
   x = 4,155,233,143.85/70,810.76
6. Step 6: Final answer
   x = 58,680.82