Finding the Fourth Proportional to 22,699,519.72, 31,326,091.94 and 12,386,808.68

Step by Step Solution

1. Step 1: Write the proportion equation
   22,699,519.72 : 31,326,091.94 = 12,386,808.68 : x
2. Step 2: Convert to fraction form
   22,699,519.72/31,326,091.94 = 12,386,808.68/x
3. Step 3: Cross multiply
   22,699,519.72x = 31,326,091.94 × 12,386,808.68
4. Step 4: Simplify right side
   22,699,519.72x = 388,030,307,552,870.06
5. Step 5: Solve for x
   x = 388,030,307,552,870.06/22,699,519.72
6. Step 6: Final answer
   x = 17,094,207.82