Finding the Fourth Proportional to 38,499.80, 53,768.50 and 38,499.80

Step by Step Solution

1. Step 1: Write the proportion equation
   38,499.80 : 53,768.50 = 38,499.80 : x
2. Step 2: Convert to fraction form
   38,499.80/53,768.50 = 38,499.80/x
3. Step 3: Cross multiply
   38,499.80x = 53,768.50 × 38,499.80
4. Step 4: Simplify right side
   38,499.80x = 2,070,076,496.30
5. Step 5: Solve for x
   x = 2,070,076,496.30/38,499.80
6. Step 6: Final answer
   x = 53,768.50