Finding the Fourth Proportional to 111,385, 153,711.30 and 61,084

Step by Step Solution

1. Step 1: Write the proportion equation
   111,385 : 153,711.30 = 61,084 : x
2. Step 2: Convert to fraction form
   111,385/153,711.30 = 61,084/x
3. Step 3: Cross multiply
   111,385x = 153,711.30 × 61,084
4. Step 4: Simplify right side
   111,385x = 9,389,301,049.20
5. Step 5: Solve for x
   x = 9,389,301,049.20/111,385
6. Step 6: Final answer
   x = 84,295.92