Finding the Fourth Proportional to 76,910, 106,139.04 and 43,376

Step by Step Solution

1. Step 1: Write the proportion equation
   76,910 : 106,139.04 = 43,376 : x
2. Step 2: Convert to fraction form
   76,910/106,139.04 = 43,376/x
3. Step 3: Cross multiply
   76,910x = 106,139.04 × 43,376
4. Step 4: Simplify right side
   76,910x = 4,603,886,999.04
5. Step 5: Solve for x
   x = 4,603,886,999.04/76,910
6. Step 6: Final answer
   x = 59,860.71