Finding the Fourth Proportional to 10,931,443.06, 16,384,119.12 and 5,087,765.28

Step by Step Solution

1. Step 1: Write the proportion equation
   10,931,443.06 : 16,384,119.12 = 5,087,765.28 : x
2. Step 2: Convert to fraction form
   10,931,443.06/16,384,119.12 = 5,087,765.28/x
3. Step 3: Cross multiply
   10,931,443.06x = 16,384,119.12 × 5,087,765.28
4. Step 4: Simplify right side
   10,931,443.06x = 83,358,552,402,120.16
5. Step 5: Solve for x
   x = 83,358,552,402,120.16/10,931,443.06
6. Step 6: Final answer
   x = 7,625,576.23