Finding the Fourth Proportional to 111,808.46, 154,299.68 and 64,071.03

Step by Step Solution

1. Step 1: Write the proportion equation
   111,808.46 : 154,299.68 = 64,071.03 : x
2. Step 2: Convert to fraction form
   111,808.46/154,299.68 = 64,071.03/x
3. Step 3: Cross multiply
   111,808.46x = 154,299.68 × 64,071.03
4. Step 4: Simplify right side
   111,808.46x = 9,886,139,426.27
5. Step 5: Solve for x
   x = 9,886,139,426.27/111,808.46
6. Step 6: Final answer
   x = 88,420.32