Finding the Fourth Proportional to 7,175,982.56, 9,905,255.60 and 4,276,282.72

Step by Step Solution

1. Step 1: Write the proportion equation
   7,175,982.56 : 9,905,255.60 = 4,276,282.72 : x
2. Step 2: Convert to fraction form
   7,175,982.56/9,905,255.60 = 4,276,282.72/x
3. Step 3: Cross multiply
   7,175,982.56x = 9,905,255.60 × 4,276,282.72
4. Step 4: Simplify right side
   7,175,982.56x = 42,357,673,359,463.23
5. Step 5: Solve for x
   x = 42,357,673,359,463.23/7,175,982.56
6. Step 6: Final answer
   x = 5,902,700.15