Finding the Fourth Proportional to 76,569.25, 105,665.57 and 43,035.25

Step by Step Solution

1. Step 1: Write the proportion equation
   76,569.25 : 105,665.57 = 43,035.25 : x
2. Step 2: Convert to fraction form
   76,569.25/105,665.57 = 43,035.25/x
3. Step 3: Cross multiply
   76,569.25x = 105,665.57 × 43,035.25
4. Step 4: Simplify right side
   76,569.25x = 4,547,344,221.34
5. Step 5: Solve for x
   x = 4,547,344,221.34/76,569.25
6. Step 6: Final answer
   x = 59,388.65