Finding the Fourth Proportional to 21,791,036.10, 30,069,404.46 and 13,417,076.10

Step by Step Solution

1. Step 1: Write the proportion equation
   21,791,036.10 : 30,069,404.46 = 13,417,076.10 : x
2. Step 2: Convert to fraction form
   21,791,036.10/30,069,404.46 = 13,417,076.10/x
3. Step 3: Cross multiply
   21,791,036.10x = 30,069,404.46 × 13,417,076.10
4. Step 4: Simplify right side
   21,791,036.10x = 403,443,487,921,499.44
5. Step 5: Solve for x
   x = 403,443,487,921,499.44/21,791,036.10
6. Step 6: Final answer
   x = 18,514,194.83