Finding the Fourth Proportional to 10,071,308.39, 15,111,427.91 and 5,277,857.99

Step by Step Solution

1. Step 1: Write the proportion equation
   10,071,308.39 : 15,111,427.91 = 5,277,857.99 : x
2. Step 2: Convert to fraction form
   10,071,308.39/15,111,427.91 = 5,277,857.99/x
3. Step 3: Cross multiply
   10,071,308.39x = 15,111,427.91 × 5,277,857.99
4. Step 4: Simplify right side
   10,071,308.39x = 79,755,970,433,156.08
5. Step 5: Solve for x
   x = 79,755,970,433,156.08/10,071,308.39
6. Step 6: Final answer
   x = 7,919,127.03