Finding the Fourth Proportional to 35,216.56, 48,598.88 and 21,072.76

Step by Step Solution

1. Step 1: Write the proportion equation
   35,216.56 : 48,598.88 = 21,072.76 : x
2. Step 2: Convert to fraction form
   35,216.56/48,598.88 = 21,072.76/x
3. Step 3: Cross multiply
   35,216.56x = 48,598.88 × 21,072.76
4. Step 4: Simplify right side
   35,216.56x = 1,024,112,534.51
5. Step 5: Solve for x
   x = 1,024,112,534.51/35,216.56
6. Step 6: Final answer
   x = 29,080.43