Finding the Fourth Proportional to 22,460,973.61, 30,996,143.55 and 12,147,696.70

Step by Step Solution

1. Step 1: Write the proportion equation
   22,460,973.61 : 30,996,143.55 = 12,147,696.70 : x
2. Step 2: Convert to fraction form
   22,460,973.61/30,996,143.55 = 12,147,696.70/x
3. Step 3: Cross multiply
   22,460,973.61x = 30,996,143.55 × 12,147,696.70
4. Step 4: Simplify right side
   22,460,973.61x = 376,531,750,715,061.25
5. Step 5: Solve for x
   x = 376,531,750,715,061.25/22,460,973.61
6. Step 6: Final answer
   x = 16,763,821.43