Finding the Fourth Proportional to 50,142,136.52, 69,185,786.48 and 28,948,548.98

Step by Step Solution

1. Step 1: Write the proportion equation
   50,142,136.52 : 69,185,786.48 = 28,948,548.98 : x
2. Step 2: Convert to fraction form
   50,142,136.52/69,185,786.48 = 28,948,548.98/x
3. Step 3: Cross multiply
   50,142,136.52x = 69,185,786.48 × 28,948,548.98
4. Step 4: Simplify right side
   50,142,136.52x = 2,002,828,128,811,247
5. Step 5: Solve for x
   x = 2,002,828,128,811,247/50,142,136.52
6. Step 6: Final answer
   x = 39,943,015.35