Finding the Fourth Proportional to 35,501, 48,991.38 and 20,599.88

Step by Step Solution

1. Step 1: Write the proportion equation
   35,501 : 48,991.38 = 20,599.88 : x
2. Step 2: Convert to fraction form
   35,501/48,991.38 = 20,599.88/x
3. Step 3: Cross multiply
   35,501x = 48,991.38 × 20,599.88
4. Step 4: Simplify right side
   35,501x = 1,009,216,549.03
5. Step 5: Solve for x
   x = 1,009,216,549.03/35,501
6. Step 6: Final answer
   x = 28,427.83