Finding the Fourth Proportional to 76,671.53, 115,044.96 and 34,580.69

Step by Step Solution

1. Step 1: Write the proportion equation
   76,671.53 : 115,044.96 = 34,580.69 : x
2. Step 2: Convert to fraction form
   76,671.53/115,044.96 = 34,580.69/x
3. Step 3: Cross multiply
   76,671.53x = 115,044.96 × 34,580.69
4. Step 4: Simplify right side
   76,671.53x = 3,978,333,522.60
5. Step 5: Solve for x
   x = 3,978,333,522.60/76,671.53
6. Step 6: Final answer
   x = 51,888.02