Finding the Fourth Proportional to 21,753,491.13, 30,020,018.82 and 11,830,468.17

Step by Step Solution

1. Step 1: Write the proportion equation
   21,753,491.13 : 30,020,018.82 = 11,830,468.17 : x
2. Step 2: Convert to fraction form
   21,753,491.13/30,020,018.82 = 11,830,468.17/x
3. Step 3: Cross multiply
   21,753,491.13x = 30,020,018.82 × 11,830,468.17
4. Step 4: Simplify right side
   21,753,491.13x = 355,150,877,112,810.94
5. Step 5: Solve for x
   x = 355,150,877,112,810.94/21,753,491.13
6. Step 6: Final answer
   x = 16,326,155.42