Finding the Fourth Proportional to 76,864.65, 106,073.35 and 42,875.33

Step by Step Solution

1. Step 1: Write the proportion equation
   76,864.65 : 106,073.35 = 42,875.33 : x
2. Step 2: Convert to fraction form
   76,864.65/106,073.35 = 42,875.33/x
3. Step 3: Cross multiply
   76,864.65x = 106,073.35 × 42,875.33
4. Step 4: Simplify right side
   76,864.65x = 4,547,929,247.90
5. Step 5: Solve for x
   x = 4,547,929,247.90/76,864.65
6. Step 6: Final answer
   x = 59,168.02