Finding the Fourth Proportional to 13,020.76, 19,535.32 and 4,700.72

Step by Step Solution

1. Step 1: Write the proportion equation
   13,020.76 : 19,535.32 = 4,700.72 : x
2. Step 2: Convert to fraction form
   13,020.76/19,535.32 = 4,700.72/x
3. Step 3: Cross multiply
   13,020.76x = 19,535.32 × 4,700.72
4. Step 4: Simplify right side
   13,020.76x = 91,830,069.43
5. Step 5: Solve for x
   x = 91,830,069.43/13,020.76
6. Step 6: Final answer
   x = 7,052.59