Finding the Fourth Proportional to 11,142,519.31, 15,371,017.56 and 7,277,302.99

Step by Step Solution

1. Step 1: Write the proportion equation
   11,142,519.31 : 15,371,017.56 = 7,277,302.99 : x
2. Step 2: Convert to fraction form
   11,142,519.31/15,371,017.56 = 7,277,302.99/x
3. Step 3: Cross multiply
   11,142,519.31x = 15,371,017.56 × 7,277,302.99
4. Step 4: Simplify right side
   11,142,519.31x = 111,859,552,048,730.52
5. Step 5: Solve for x
   x = 111,859,552,048,730.52/11,142,519.31
6. Step 6: Final answer
   x = 10,038,982.11