Finding the Fourth Proportional to 105,071.57, 145,002.84 and 59,753.69

Step by Step Solution

1. Step 1: Write the proportion equation
   105,071.57 : 145,002.84 = 59,753.69 : x
2. Step 2: Convert to fraction form
   105,071.57/145,002.84 = 59,753.69/x
3. Step 3: Cross multiply
   105,071.57x = 145,002.84 × 59,753.69
4. Step 4: Simplify right side
   105,071.57x = 8,664,455,112.99
5. Step 5: Solve for x
   x = 8,664,455,112.99/105,071.57
6. Step 6: Final answer
   x = 82,462.41