Finding the Fourth Proportional to 8,923,747.50, 12,315,821.31 and 5,302,075.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,923,747.50 : 12,315,821.31 = 5,302,075.50 : x
2. Step 2: Convert to fraction form
   8,923,747.50/12,315,821.31 = 5,302,075.50/x
3. Step 3: Cross multiply
   8,923,747.50x = 12,315,821.31 × 5,302,075.50
4. Step 4: Simplify right side
   8,923,747.50x = 65,299,414,430,128.91
5. Step 5: Solve for x
   x = 65,299,414,430,128.91/8,923,747.50
6. Step 6: Final answer
   x = 7,317,487.91