Finding the Fourth Proportional to 9,380,686.12, 14,070,881.34 and 2,990,895.42

Step by Step Solution

1. Step 1: Write the proportion equation
   9,380,686.12 : 14,070,881.34 = 2,990,895.42 : x
2. Step 2: Convert to fraction form
   9,380,686.12/14,070,881.34 = 2,990,895.42/x
3. Step 3: Cross multiply
   9,380,686.12x = 14,070,881.34 × 2,990,895.42
4. Step 4: Simplify right side
   9,380,686.12x = 42,084,534,555,169.46
5. Step 5: Solve for x
   x = 42,084,534,555,169.46/9,380,686.12
6. Step 6: Final answer
   x = 4,486,295.99