Finding the Fourth Proportional to 14,409,171.86, 21,613,753.47 and 5,431,624.34

Step by Step Solution

1. Step 1: Write the proportion equation
   14,409,171.86 : 21,613,753.47 = 5,431,624.34 : x
2. Step 2: Convert to fraction form
   14,409,171.86/21,613,753.47 = 5,431,624.34/x
3. Step 3: Cross multiply
   14,409,171.86x = 21,613,753.47 × 5,431,624.34
4. Step 4: Simplify right side
   14,409,171.86x = 117,397,789,426,411.45
5. Step 5: Solve for x
   x = 117,397,789,426,411.45/14,409,171.86
6. Step 6: Final answer
   x = 8,147,434.88