Finding the Fourth Proportional to 5,418,140.72, 7,477,370.10 and 3,003,692.72

Step by Step Solution

1. Step 1: Write the proportion equation
   5,418,140.72 : 7,477,370.10 = 3,003,692.72 : x
2. Step 2: Convert to fraction form
   5,418,140.72/7,477,370.10 = 3,003,692.72/x
3. Step 3: Cross multiply
   5,418,140.72x = 7,477,370.10 × 3,003,692.72
4. Step 4: Simplify right side
   5,418,140.72x = 22,459,722,096,728.82
5. Step 5: Solve for x
   x = 22,459,722,096,728.82/5,418,140.72
6. Step 6: Final answer
   x = 4,145,282.17