Finding the Fourth Proportional to 11,012,748.99, 16,519,449.38 and 5,256,089.25

Step by Step Solution

1. Step 1: Write the proportion equation
   11,012,748.99 : 16,519,449.38 = 5,256,089.25 : x
2. Step 2: Convert to fraction form
   11,012,748.99/16,519,449.38 = 5,256,089.25/x
3. Step 3: Cross multiply
   11,012,748.99x = 16,519,449.38 × 5,256,089.25
4. Step 4: Simplify right side
   11,012,748.99x = 86,827,700,302,137.17
5. Step 5: Solve for x
   x = 86,827,700,302,137.17/11,012,748.99
6. Step 6: Final answer
   x = 7,884,289.42