Finding the Fourth Proportional to 105,641.24, 145,758.83 and 62,630.82

Step by Step Solution

1. Step 1: Write the proportion equation
   105,641.24 : 145,758.83 = 62,630.82 : x
2. Step 2: Convert to fraction form
   105,641.24/145,758.83 = 62,630.82/x
3. Step 3: Cross multiply
   105,641.24x = 145,758.83 × 62,630.82
4. Step 4: Simplify right side
   105,641.24x = 9,128,994,731.99
5. Step 5: Solve for x
   x = 9,128,994,731.99/105,641.24
6. Step 6: Final answer
   x = 86,415.07