Finding the Fourth Proportional to 10,865,514.90, 16,300,240.65 and 5,460,563.10

Step by Step Solution

1. Step 1: Write the proportion equation
   10,865,514.90 : 16,300,240.65 = 5,460,563.10 : x
2. Step 2: Convert to fraction form
   10,865,514.90/16,300,240.65 = 5,460,563.10/x
3. Step 3: Cross multiply
   10,865,514.90x = 16,300,240.65 × 5,460,563.10
4. Step 4: Simplify right side
   10,865,514.90x = 89,008,492,614,510.02
5. Step 5: Solve for x
   x = 89,008,492,614,510.02/10,865,514.90
6. Step 6: Final answer
   x = 8,191,833.84