Finding the Fourth Proportional to 21,410,023.74, 29,523,499.29 and 12,706,514.82

Step by Step Solution

1. Step 1: Write the proportion equation
   21,410,023.74 : 29,523,499.29 = 12,706,514.82 : x
2. Step 2: Convert to fraction form
   21,410,023.74/29,523,499.29 = 12,706,514.82/x
3. Step 3: Cross multiply
   21,410,023.74x = 29,523,499.29 × 12,706,514.82
4. Step 4: Simplify right side
   21,410,023.74x = 375,140,781,266,644.50
5. Step 5: Solve for x
   x = 375,140,781,266,644.50/21,410,023.74
6. Step 6: Final answer
   x = 17,521,735.89