Finding the Fourth Proportional to 11,326,047.69, 16,990,050.16 and 3,128,687.04

Step by Step Solution

1. Step 1: Write the proportion equation
   11,326,047.69 : 16,990,050.16 = 3,128,687.04 : x
2. Step 2: Convert to fraction form
   11,326,047.69/16,990,050.16 = 3,128,687.04/x
3. Step 3: Cross multiply
   11,326,047.69x = 16,990,050.16 × 3,128,687.04
4. Step 4: Simplify right side
   11,326,047.69x = 53,156,549,812,165.48
5. Step 5: Solve for x
   x = 53,156,549,812,165.48/11,326,047.69
6. Step 6: Final answer
   x = 4,693,300.90