Finding the Fourth Proportional to 76,567.50, 105,663.15 and 43,033.50

Step by Step Solution

1. Step 1: Write the proportion equation
   76,567.50 : 105,663.15 = 43,033.50 : x
2. Step 2: Convert to fraction form
   76,567.50/105,663.15 = 43,033.50/x
3. Step 3: Cross multiply
   76,567.50x = 105,663.15 × 43,033.50
4. Step 4: Simplify right side
   76,567.50x = 4,547,055,165.53
5. Step 5: Solve for x
   x = 4,547,055,165.53/76,567.50
6. Step 6: Final answer
   x = 59,386.23