Finding the Fourth Proportional to 7,243,279.32, 9,995,692.69 and 3,980,084.56

Step by Step Solution

1. Step 1: Write the proportion equation
   7,243,279.32 : 9,995,692.69 = 3,980,084.56 : x
2. Step 2: Convert to fraction form
   7,243,279.32/9,995,692.69 = 3,980,084.56/x
3. Step 3: Cross multiply
   7,243,279.32x = 9,995,692.69 × 3,980,084.56
4. Step 4: Simplify right side
   7,243,279.32x = 39,783,702,141,973.87
5. Step 5: Solve for x
   x = 39,783,702,141,973.87/7,243,279.32
6. Step 6: Final answer
   x = 5,492,498.69