Finding the Fourth Proportional to 111,900.02, 167,850.50 and 45,341.40

Step by Step Solution

1. Step 1: Write the proportion equation
   111,900.02 : 167,850.50 = 45,341.40 : x
2. Step 2: Convert to fraction form
   111,900.02/167,850.50 = 45,341.40/x
3. Step 3: Cross multiply
   111,900.02x = 167,850.50 × 45,341.40
4. Step 4: Simplify right side
   111,900.02x = 7,610,577,063.43
5. Step 5: Solve for x
   x = 7,610,577,063.43/111,900.02
6. Step 6: Final answer
   x = 68,012.30