Finding the Fourth Proportional to 69,225.12, 103,836.18 and 19,303.89

Step by Step Solution

1. Step 1: Write the proportion equation
   69,225.12 : 103,836.18 = 19,303.89 : x
2. Step 2: Convert to fraction form
   69,225.12/103,836.18 = 19,303.89/x
3. Step 3: Cross multiply
   69,225.12x = 103,836.18 × 19,303.89
4. Step 4: Simplify right side
   69,225.12x = 2,004,441,725.82
5. Step 5: Solve for x
   x = 2,004,441,725.82/69,225.12
6. Step 6: Final answer
   x = 28,955.41