Finding the Fourth Proportional to 59,662.16, 89,495.96 and 42,210

Step by Step Solution

1. Step 1: Write the proportion equation
   59,662.16 : 89,495.96 = 42,210 : x
2. Step 2: Convert to fraction form
   59,662.16/89,495.96 = 42,210/x
3. Step 3: Cross multiply
   59,662.16x = 89,495.96 × 42,210
4. Step 4: Simplify right side
   59,662.16x = 3,777,624,471.60
5. Step 5: Solve for x
   x = 3,777,624,471.60/59,662.16
6. Step 6: Final answer
   x = 63,316.92