Finding the Fourth Proportional to 8,870.01, 13,308.06 and 3,030.72

Step by Step Solution

1. Step 1: Write the proportion equation
   8,870.01 : 13,308.06 = 3,030.72 : x
2. Step 2: Convert to fraction form
   8,870.01/13,308.06 = 3,030.72/x
3. Step 3: Cross multiply
   8,870.01x = 13,308.06 × 3,030.72
4. Step 4: Simplify right side
   8,870.01x = 40,333,003.60
5. Step 5: Solve for x
   x = 40,333,003.60/8,870.01
6. Step 6: Final answer
   x = 4,547.12