Finding the Fourth Proportional to 22,699,381, 31,325,901.90 and 12,386,669.98

Step by Step Solution

1. Step 1: Write the proportion equation
   22,699,381 : 31,325,901.90 = 12,386,669.98 : x
2. Step 2: Convert to fraction form
   22,699,381/31,325,901.90 = 12,386,669.98/x
3. Step 3: Cross multiply
   22,699,381x = 31,325,901.90 × 12,386,669.98
4. Step 4: Simplify right side
   22,699,381x = 388,023,608,661,154.94
5. Step 5: Solve for x
   x = 388,023,608,661,154.94/22,699,381
6. Step 6: Final answer
   x = 17,094,017.17