Finding the Fourth Proportional to 8,297,978.86, 12,439,868.79 and 3,184,078.63

Step by Step Solution

1. Step 1: Write the proportion equation
   8,297,978.86 : 12,439,868.79 = 3,184,078.63 : x
2. Step 2: Convert to fraction form
   8,297,978.86/12,439,868.79 = 3,184,078.63/x
3. Step 3: Cross multiply
   8,297,978.86x = 12,439,868.79 × 3,184,078.63
4. Step 4: Simplify right side
   8,297,978.86x = 39,609,520,374,242.95
5. Step 5: Solve for x
   x = 39,609,520,374,242.95/8,297,978.86
6. Step 6: Final answer
   x = 4,773,393.74