Finding the Fourth Proportional to 21,563,105.51, 29,757,499.93 and 11,773,937.69

Step by Step Solution

1. Step 1: Write the proportion equation
   21,563,105.51 : 29,757,499.93 = 11,773,937.69 : x
2. Step 2: Convert to fraction form
   21,563,105.51/29,757,499.93 = 11,773,937.69/x
3. Step 3: Cross multiply
   21,563,105.51x = 29,757,499.93 × 11,773,937.69
4. Step 4: Simplify right side
   21,563,105.51x = 350,362,949,985,999.31
5. Step 5: Solve for x
   x = 350,362,949,985,999.31/21,563,105.51
6. Step 6: Final answer
   x = 16,248,260.24