Finding the Fourth Proportional to 76,483.50, 105,552.63 and 42,949.50

Step by Step Solution

1. Step 1: Write the proportion equation
   76,483.50 : 105,552.63 = 42,949.50 : x
2. Step 2: Convert to fraction form
   76,483.50/105,552.63 = 42,949.50/x
3. Step 3: Cross multiply
   76,483.50x = 105,552.63 × 42,949.50
4. Step 4: Simplify right side
   76,483.50x = 4,533,432,682.19
5. Step 5: Solve for x
   x = 4,533,432,682.19/76,483.50
6. Step 6: Final answer
   x = 59,273.34