Finding the Fourth Proportional to 21,916,649.59, 30,242,916.25 and 14,837,842.50

Step by Step Solution

1. Step 1: Write the proportion equation
   21,916,649.59 : 30,242,916.25 = 14,837,842.50 : x
2. Step 2: Convert to fraction form
   21,916,649.59/30,242,916.25 = 14,837,842.50/x
3. Step 3: Cross multiply
   21,916,649.59x = 30,242,916.25 × 14,837,842.50
4. Step 4: Simplify right side
   21,916,649.59x = 448,739,627,907,685.06
5. Step 5: Solve for x
   x = 448,739,627,907,685.06/21,916,649.59
6. Step 6: Final answer
   x = 20,474,827.88