Finding the Fourth Proportional to 16,218,494.93, 22,387,980.02 and 10,638,864.71

Step by Step Solution

1. Step 1: Write the proportion equation
   16,218,494.93 : 22,387,980.02 = 10,638,864.71 : x
2. Step 2: Convert to fraction form
   16,218,494.93/22,387,980.02 = 10,638,864.71/x
3. Step 3: Cross multiply
   16,218,494.93x = 22,387,980.02 × 10,638,864.71
4. Step 4: Simplify right side
   16,218,494.93x = 238,182,690,481,783.81
5. Step 5: Solve for x
   x = 238,182,690,481,783.81/16,218,494.93
6. Step 6: Final answer
   x = 14,685,868.91