Finding the Fourth Proportional to 76,181.48, 105,142.83 and 45,552.50

Step by Step Solution

1. Step 1: Write the proportion equation
   76,181.48 : 105,142.83 = 45,552.50 : x
2. Step 2: Convert to fraction form
   76,181.48/105,142.83 = 45,552.50/x
3. Step 3: Cross multiply
   76,181.48x = 105,142.83 × 45,552.50
4. Step 4: Simplify right side
   76,181.48x = 4,789,518,763.58
5. Step 5: Solve for x
   x = 4,789,518,763.58/76,181.48
6. Step 6: Final answer
   x = 62,869.86