Finding the Fourth Proportional to 11,788.76, 16,261.71 and 7,070.30

Step by Step Solution

1. Step 1: Write the proportion equation
   11,788.76 : 16,261.71 = 7,070.30 : x
2. Step 2: Convert to fraction form
   11,788.76/16,261.71 = 7,070.30/x
3. Step 3: Cross multiply
   11,788.76x = 16,261.71 × 7,070.30
4. Step 4: Simplify right side
   11,788.76x = 114,975,168.21
5. Step 5: Solve for x
   x = 114,975,168.21/11,788.76
6. Step 6: Final answer
   x = 9,752.95