Finding the Fourth Proportional to 35,530.72, 49,008.72 and 21,368.68

Step by Step Solution

1. Step 1: Write the proportion equation
   35,530.72 : 49,008.72 = 21,368.68 : x
2. Step 2: Convert to fraction form
   35,530.72/49,008.72 = 21,368.68/x
3. Step 3: Cross multiply
   35,530.72x = 49,008.72 × 21,368.68
4. Step 4: Simplify right side
   35,530.72x = 1,047,251,654.89
5. Step 5: Solve for x
   x = 1,047,251,654.89/35,530.72
6. Step 6: Final answer
   x = 29,474.54