Finding the Fourth Proportional to 8,619,432.51, 12,929,070.99 and 3,300,648.51

Step by Step Solution

1. Step 1: Write the proportion equation
   8,619,432.51 : 12,929,070.99 = 3,300,648.51 : x
2. Step 2: Convert to fraction form
   8,619,432.51/12,929,070.99 = 3,300,648.51/x
3. Step 3: Cross multiply
   8,619,432.51x = 12,929,070.99 × 3,300,648.51
4. Step 4: Simplify right side
   8,619,432.51x = 42,674,318,898,827.73
5. Step 5: Solve for x
   x = 42,674,318,898,827.73/8,619,432.51
6. Step 6: Final answer
   x = 4,950,942.98