Finding the Fourth Proportional to 76,757.04, 105,916.50 and 42,758.96

Step by Step Solution

1. Step 1: Write the proportion equation
   76,757.04 : 105,916.50 = 42,758.96 : x
2. Step 2: Convert to fraction form
   76,757.04/105,916.50 = 42,758.96/x
3. Step 3: Cross multiply
   76,757.04x = 105,916.50 × 42,758.96
4. Step 4: Simplify right side
   76,757.04x = 4,528,879,386.84
5. Step 5: Solve for x
   x = 4,528,879,386.84/76,757.04
6. Step 6: Final answer
   x = 59,002.79