Finding the Fourth Proportional to 76,929.72, 106,165.98 and 43,395

Step by Step Solution

1. Step 1: Write the proportion equation
   76,929.72 : 106,165.98 = 43,395 : x
2. Step 2: Convert to fraction form
   76,929.72/106,165.98 = 43,395/x
3. Step 3: Cross multiply
   76,929.72x = 106,165.98 × 43,395
4. Step 4: Simplify right side
   76,929.72x = 4,607,072,702.10
5. Step 5: Solve for x
   x = 4,607,072,702.10/76,929.72
6. Step 6: Final answer
   x = 59,886.77