Finding the Fourth Proportional to 9,866,914.66, 14,793,636.69 and 5,256,590.18

Step by Step Solution

1. Step 1: Write the proportion equation
   9,866,914.66 : 14,793,636.69 = 5,256,590.18 : x
2. Step 2: Convert to fraction form
   9,866,914.66/14,793,636.69 = 5,256,590.18/x
3. Step 3: Cross multiply
   9,866,914.66x = 14,793,636.69 × 5,256,590.18
4. Step 4: Simplify right side
   9,866,914.66x = 77,764,085,277,173.52
5. Step 5: Solve for x
   x = 77,764,085,277,173.52/9,866,914.66
6. Step 6: Final answer
   x = 7,881,297.04