Finding the Fourth Proportional to 52,796.39, 72,862.50 and 30,139.98

Step by Step Solution

1. Step 1: Write the proportion equation
   52,796.39 : 72,862.50 = 30,139.98 : x
2. Step 2: Convert to fraction form
   52,796.39/72,862.50 = 30,139.98/x
3. Step 3: Cross multiply
   52,796.39x = 72,862.50 × 30,139.98
4. Step 4: Simplify right side
   52,796.39x = 2,196,074,292.75
5. Step 5: Solve for x
   x = 2,196,074,292.75/52,796.39
6. Step 6: Final answer
   x = 41,595.16