Finding the Fourth Proportional to 35,374.56, 53,019.12 and 15,630.72

Step by Step Solution

1. Step 1: Write the proportion equation
   35,374.56 : 53,019.12 = 15,630.72 : x
2. Step 2: Convert to fraction form
   35,374.56/53,019.12 = 15,630.72/x
3. Step 3: Cross multiply
   35,374.56x = 53,019.12 × 15,630.72
4. Step 4: Simplify right side
   35,374.56x = 828,727,019.37
5. Step 5: Solve for x
   x = 828,727,019.37/35,374.56
6. Step 6: Final answer
   x = 23,427.20