Finding the Fourth Proportional to 105,106.49, 145,050.33 and 59,783.31

Step by Step Solution

1. Step 1: Write the proportion equation
   105,106.49 : 145,050.33 = 59,783.31 : x
2. Step 2: Convert to fraction form
   105,106.49/145,050.33 = 59,783.31/x
3. Step 3: Cross multiply
   105,106.49x = 145,050.33 × 59,783.31
4. Step 4: Simplify right side
   105,106.49x = 8,671,589,068.18
5. Step 5: Solve for x
   x = 8,671,589,068.18/105,106.49
6. Step 6: Final answer
   x = 82,502.89