Finding the Fourth Proportional to 12,455,646.30, 18,676,927.89 and 5,626,335.42

Step by Step Solution

1. Step 1: Write the proportion equation
   12,455,646.30 : 18,676,927.89 = 5,626,335.42 : x
2. Step 2: Convert to fraction form
   12,455,646.30/18,676,927.89 = 5,626,335.42/x
3. Step 3: Cross multiply
   12,455,646.30x = 18,676,927.89 × 5,626,335.42
4. Step 4: Simplify right side
   12,455,646.30x = 105,082,660,924,292.86
5. Step 5: Solve for x
   x = 105,082,660,924,292.86/12,455,646.30
6. Step 6: Final answer
   x = 8,436,548.24