Finding the Fourth Proportional to 60,642.05, 83,678.78 and 34,799.28

Step by Step Solution

1. Step 1: Write the proportion equation
   60,642.05 : 83,678.78 = 34,799.28 : x
2. Step 2: Convert to fraction form
   60,642.05/83,678.78 = 34,799.28/x
3. Step 3: Cross multiply
   60,642.05x = 83,678.78 × 34,799.28
4. Step 4: Simplify right side
   60,642.05x = 2,911,960,956.04
5. Step 5: Solve for x
   x = 2,911,960,956.04/60,642.05
6. Step 6: Final answer
   x = 48,018.84