Finding the Fourth Proportional to 10,108,076.27, 15,156,719.84 and 5,245,486.71

Step by Step Solution

1. Step 1: Write the proportion equation
   10,108,076.27 : 15,156,719.84 = 5,245,486.71 : x
2. Step 2: Convert to fraction form
   10,108,076.27/15,156,719.84 = 5,245,486.71/x
3. Step 3: Cross multiply
   10,108,076.27x = 15,156,719.84 × 5,245,486.71
4. Step 4: Simplify right side
   10,108,076.27x = 79,504,372,521,802.03
5. Step 5: Solve for x
   x = 79,504,372,521,802.03/10,108,076.27
6. Step 6: Final answer
   x = 7,865,430.61