Finding the Fourth Proportional to 51,253,426.50, 76,883,548.82 and 18,012,620.21

Step by Step Solution

1. Step 1: Write the proportion equation
   51,253,426.50 : 76,883,548.82 = 18,012,620.21 : x
2. Step 2: Convert to fraction form
   51,253,426.50/76,883,548.82 = 18,012,620.21/x
3. Step 3: Cross multiply
   51,253,426.50x = 76,883,548.82 × 18,012,620.21
4. Step 4: Simplify right side
   51,253,426.50x = 1,384,874,164,952,267.50
5. Step 5: Solve for x
   x = 1,384,874,164,952,267.50/51,253,426.50
6. Step 6: Final answer
   x = 27,020,128.40