Finding the Fourth Proportional to 105,837.86, 146,031.12 and 59,898.10

Step by Step Solution

1. Step 1: Write the proportion equation
   105,837.86 : 146,031.12 = 59,898.10 : x
2. Step 2: Convert to fraction form
   105,837.86/146,031.12 = 59,898.10/x
3. Step 3: Cross multiply
   105,837.86x = 146,031.12 × 59,898.10
4. Step 4: Simplify right side
   105,837.86x = 8,746,986,628.87
5. Step 5: Solve for x
   x = 8,746,986,628.87/105,837.86
6. Step 6: Final answer
   x = 82,645.16