Finding the Fourth Proportional to 10,741,886.28, 16,116,714.18 and 6,638,404.50

Step by Step Solution

1. Step 1: Write the proportion equation
   10,741,886.28 : 16,116,714.18 = 6,638,404.50 : x
2. Step 2: Convert to fraction form
   10,741,886.28/16,116,714.18 = 6,638,404.50/x
3. Step 3: Cross multiply
   10,741,886.28x = 16,116,714.18 × 6,638,404.50
4. Step 4: Simplify right side
   10,741,886.28x = 106,989,267,937,725.81
5. Step 5: Solve for x
   x = 106,989,267,937,725.81/10,741,886.28
6. Step 6: Final answer
   x = 9,960,007.50