Finding the Fourth Proportional to 9,908,358.78, 14,858,972.37 and 3,429,673.86

Step by Step Solution

1. Step 1: Write the proportion equation
   9,908,358.78 : 14,858,972.37 = 3,429,673.86 : x
2. Step 2: Convert to fraction form
   9,908,358.78/14,858,972.37 = 3,429,673.86/x
3. Step 3: Cross multiply
   9,908,358.78x = 14,858,972.37 × 3,429,673.86
4. Step 4: Simplify right side
   9,908,358.78x = 50,961,429,123,851.24
5. Step 5: Solve for x
   x = 50,961,429,123,851.24/9,908,358.78
6. Step 6: Final answer
   x = 5,143,276.53