Finding the Fourth Proportional to 111,047.49, 153,210.35 and 67,981.95

Step by Step Solution

1. Step 1: Write the proportion equation
   111,047.49 : 153,210.35 = 67,981.95 : x
2. Step 2: Convert to fraction form
   111,047.49/153,210.35 = 67,981.95/x
3. Step 3: Cross multiply
   111,047.49x = 153,210.35 × 67,981.95
4. Step 4: Simplify right side
   111,047.49x = 10,415,538,523.14
5. Step 5: Solve for x
   x = 10,415,538,523.14/111,047.49
6. Step 6: Final answer
   x = 93,793.55