Finding the Fourth Proportional to 12,472,776.12, 18,593,870.01 and 12,276,225.48

Step by Step Solution

1. Step 1: Write the proportion equation
   12,472,776.12 : 18,593,870.01 = 12,276,225.48 : x
2. Step 2: Convert to fraction form
   12,472,776.12/18,593,870.01 = 12,276,225.48/x
3. Step 3: Cross multiply
   12,472,776.12x = 18,593,870.01 × 12,276,225.48
4. Step 4: Simplify right side
   12,472,776.12x = 228,262,540,788,569.88
5. Step 5: Solve for x
   x = 228,262,540,788,569.88/12,472,776.12
6. Step 6: Final answer
   x = 18,300,860.90