Finding the Fourth Proportional to 8,990,654.59, 12,402,895.53 and 5,892,353.56

Step by Step Solution

1. Step 1: Write the proportion equation
   8,990,654.59 : 12,402,895.53 = 5,892,353.56 : x
2. Step 2: Convert to fraction form
   8,990,654.59/12,402,895.53 = 5,892,353.56/x
3. Step 3: Cross multiply
   8,990,654.59x = 12,402,895.53 × 5,892,353.56
4. Step 4: Simplify right side
   8,990,654.59x = 73,082,245,630,503.58
5. Step 5: Solve for x
   x = 73,082,245,630,503.58/8,990,654.59
6. Step 6: Final answer
   x = 8,128,690.17