Finding the Fourth Proportional to 111,071.19, 153,215.96 and 68,071.52

Step by Step Solution

1. Step 1: Write the proportion equation
   111,071.19 : 153,215.96 = 68,071.52 : x
2. Step 2: Convert to fraction form
   111,071.19/153,215.96 = 68,071.52/x
3. Step 3: Cross multiply
   111,071.19x = 153,215.96 × 68,071.52
4. Step 4: Simplify right side
   111,071.19x = 10,429,642,179.02
5. Step 5: Solve for x
   x = 10,429,642,179.02/111,071.19
6. Step 6: Final answer
   x = 93,900.52