Finding the Fourth Proportional to 53,459, 73,688.43 and 42,110.53

Step by Step Solution

1. Step 1: Write the proportion equation
   53,459 : 73,688.43 = 42,110.53 : x
2. Step 2: Convert to fraction form
   53,459/73,688.43 = 42,110.53/x
3. Step 3: Cross multiply
   53,459x = 73,688.43 × 42,110.53
4. Step 4: Simplify right side
   53,459x = 3,103,058,842.17
5. Step 5: Solve for x
   x = 3,103,058,842.17/53,459
6. Step 6: Final answer
   x = 58,045.58