Finding the Fourth Proportional to 76,585.50, 105,687.99 and 43,051.50

Step by Step Solution

1. Step 1: Write the proportion equation
   76,585.50 : 105,687.99 = 43,051.50 : x
2. Step 2: Convert to fraction form
   76,585.50/105,687.99 = 43,051.50/x
3. Step 3: Cross multiply
   76,585.50x = 105,687.99 × 43,051.50
4. Step 4: Simplify right side
   76,585.50x = 4,550,026,501.49
5. Step 5: Solve for x
   x = 4,550,026,501.49/76,585.50
6. Step 6: Final answer
   x = 59,411.07