Finding the Fourth Proportional to 9,380,691.60, 14,070,889.59 and 2,990,900.94

Step by Step Solution

1. Step 1: Write the proportion equation
   9,380,691.60 : 14,070,889.59 = 2,990,900.94 : x
2. Step 2: Convert to fraction form
   9,380,691.60/14,070,889.59 = 2,990,900.94/x
3. Step 3: Cross multiply
   9,380,691.60x = 14,070,889.59 × 2,990,900.94
4. Step 4: Simplify right side
   9,380,691.60x = 42,084,636,901,367.21
5. Step 5: Solve for x
   x = 42,084,636,901,367.21/9,380,691.60
6. Step 6: Final answer
   x = 4,486,304.28