Finding the Fourth Proportional to 69,587.02, 104,387.36 and 19,667.50

Step by Step Solution

1. Step 1: Write the proportion equation
   69,587.02 : 104,387.36 = 19,667.50 : x
2. Step 2: Convert to fraction form
   69,587.02/104,387.36 = 19,667.50/x
3. Step 3: Cross multiply
   69,587.02x = 104,387.36 × 19,667.50
4. Step 4: Simplify right side
   69,587.02x = 2,053,037,782.53
5. Step 5: Solve for x
   x = 2,053,037,782.53/69,587.02
6. Step 6: Final answer
   x = 29,503.17