Finding the Fourth Proportional to 105,931.04, 158,819.56 and 49,742.22

Step by Step Solution

1. Step 1: Write the proportion equation
   105,931.04 : 158,819.56 = 49,742.22 : x
2. Step 2: Convert to fraction form
   105,931.04/158,819.56 = 49,742.22/x
3. Step 3: Cross multiply
   105,931.04x = 158,819.56 × 49,742.22
4. Step 4: Simplify right side
   105,931.04x = 7,900,037,493.82
5. Step 5: Solve for x
   x = 7,900,037,493.82/105,931.04
6. Step 6: Final answer
   x = 74,577.17