Finding the Fourth Proportional to 5,328,081.30, 7,992,705.15 and 5,160,119.70

Step by Step Solution

1. Step 1: Write the proportion equation
   5,328,081.30 : 7,992,705.15 = 5,160,119.70 : x
2. Step 2: Convert to fraction form
   5,328,081.30/7,992,705.15 = 5,160,119.70/x
3. Step 3: Cross multiply
   5,328,081.30x = 7,992,705.15 × 5,160,119.70
4. Step 4: Simplify right side
   5,328,081.30x = 41,243,315,300,806.46
5. Step 5: Solve for x
   x = 41,243,315,300,806.46/5,328,081.30
6. Step 6: Final answer
   x = 7,740,744.37