Finding the Fourth Proportional to 10,071,317.39, 15,111,441.41 and 5,277,866.99

Step by Step Solution

1. Step 1: Write the proportion equation
   10,071,317.39 : 15,111,441.41 = 5,277,866.99 : x
2. Step 2: Convert to fraction form
   10,071,317.39/15,111,441.41 = 5,277,866.99/x
3. Step 3: Cross multiply
   10,071,317.39x = 15,111,441.41 × 5,277,866.99
4. Step 4: Simplify right side
   10,071,317.39x = 79,756,177,687,211.52
5. Step 5: Solve for x
   x = 79,756,177,687,211.52/10,071,317.39
6. Step 6: Final answer
   x = 7,919,140.53