Finding the Fourth Proportional to 105,405.24, 145,462.83 and 60,089.93

Step by Step Solution

1. Step 1: Write the proportion equation
   105,405.24 : 145,462.83 = 60,089.93 : x
2. Step 2: Convert to fraction form
   105,405.24/145,462.83 = 60,089.93/x
3. Step 3: Cross multiply
   105,405.24x = 145,462.83 × 60,089.93
4. Step 4: Simplify right side
   105,405.24x = 8,740,851,272.30
5. Step 5: Solve for x
   x = 8,740,851,272.30/105,405.24
6. Step 6: Final answer
   x = 82,926.16