Finding the Fourth Proportional to 275,410.96, 413,068.86 and 73,008.40

Step by Step Solution

1. Step 1: Write the proportion equation
   275,410.96 : 413,068.86 = 73,008.40 : x
2. Step 2: Convert to fraction form
   275,410.96/413,068.86 = 73,008.40/x
3. Step 3: Cross multiply
   275,410.96x = 413,068.86 × 73,008.40
4. Step 4: Simplify right side
   275,410.96x = 30,157,496,558.42
5. Step 5: Solve for x
   x = 30,157,496,558.42/275,410.96
6. Step 6: Final answer
   x = 109,499.99