Finding the Fourth Proportional to 105,424.19, 145,488.83 and 60,101.36

Step by Step Solution

1. Step 1: Write the proportion equation
   105,424.19 : 145,488.83 = 60,101.36 : x
2. Step 2: Convert to fraction form
   105,424.19/145,488.83 = 60,101.36/x
3. Step 3: Cross multiply
   105,424.19x = 145,488.83 × 60,101.36
4. Step 4: Simplify right side
   105,424.19x = 8,744,075,519.86
5. Step 5: Solve for x
   x = 8,744,075,519.86/105,424.19
6. Step 6: Final answer
   x = 82,941.84