Finding the Fourth Proportional to 10,892,145.30, 16,302,788.55 and 8,482,946.10

Step by Step Solution

1. Step 1: Write the proportion equation
   10,892,145.30 : 16,302,788.55 = 8,482,946.10 : x
2. Step 2: Convert to fraction form
   10,892,145.30/16,302,788.55 = 8,482,946.10/x
3. Step 3: Cross multiply
   10,892,145.30x = 16,302,788.55 × 8,482,946.10
4. Step 4: Simplify right side
   10,892,145.30x = 138,295,676,549,347.16
5. Step 5: Solve for x
   x = 138,295,676,549,347.16/10,892,145.30
6. Step 6: Final answer
   x = 12,696,826.27