Finding the Fourth Proportional to 54,064.10, 81,501.70 and 50,451.50

Step by Step Solution

1. Step 1: Write the proportion equation
   54,064.10 : 81,501.70 = 50,451.50 : x
2. Step 2: Convert to fraction form
   54,064.10/81,501.70 = 50,451.50/x
3. Step 3: Cross multiply
   54,064.10x = 81,501.70 × 50,451.50
4. Step 4: Simplify right side
   54,064.10x = 4,111,883,017.55
5. Step 5: Solve for x
   x = 4,111,883,017.55/54,064.10
6. Step 6: Final answer
   x = 76,055.70