Finding the Fourth Proportional to 10,780,728.78, 16,173,417.90 and 3,104,321.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,780,728.78 : 16,173,417.90 = 3,104,321.72 : x
2. Step 2: Convert to fraction form
   10,780,728.78/16,173,417.90 = 3,104,321.72/x
3. Step 3: Cross multiply
   10,780,728.78x = 16,173,417.90 × 3,104,321.72
4. Step 4: Simplify right side
   10,780,728.78x = 50,207,492,473,606.79
5. Step 5: Solve for x
   x = 50,207,492,473,606.79/10,780,728.78
6. Step 6: Final answer
   x = 4,657,151.99