Finding the Fourth Proportional to 64,036.16, 96,068.52 and 19,667.39

Step by Step Solution

1. Step 1: Write the proportion equation
   64,036.16 : 96,068.52 = 19,667.39 : x
2. Step 2: Convert to fraction form
   64,036.16/96,068.52 = 19,667.39/x
3. Step 3: Cross multiply
   64,036.16x = 96,068.52 × 19,667.39
4. Step 4: Simplify right side
   64,036.16x = 1,889,416,951.23
5. Step 5: Solve for x
   x = 1,889,416,951.23/64,036.16
6. Step 6: Final answer
   x = 29,505.47