Finding the Fourth Proportional to 105,078.03, 145,006.98 and 59,756.04

Step by Step Solution

1. Step 1: Write the proportion equation
   105,078.03 : 145,006.98 = 59,756.04 : x
2. Step 2: Convert to fraction form
   105,078.03/145,006.98 = 59,756.04/x
3. Step 3: Cross multiply
   105,078.03x = 145,006.98 × 59,756.04
4. Step 4: Simplify right side
   105,078.03x = 8,665,042,897.16
5. Step 5: Solve for x
   x = 8,665,042,897.16/105,078.03
6. Step 6: Final answer
   x = 82,462.94