Finding the Fourth Proportional to 106,616.28, 147,114.27 and 70,858.83

Step by Step Solution

1. Step 1: Write the proportion equation
   106,616.28 : 147,114.27 = 70,858.83 : x
2. Step 2: Convert to fraction form
   106,616.28/147,114.27 = 70,858.83/x
3. Step 3: Cross multiply
   106,616.28x = 147,114.27 × 70,858.83
4. Step 4: Simplify right side
   106,616.28x = 10,424,345,048.50
5. Step 5: Solve for x
   x = 10,424,345,048.50/106,616.28
6. Step 6: Final answer
   x = 97,774.42