Finding the Fourth Proportional to 14,072.50, 19,418.37 and 7,784.02

Step by Step Solution

1. Step 1: Write the proportion equation
   14,072.50 : 19,418.37 = 7,784.02 : x
2. Step 2: Convert to fraction form
   14,072.50/19,418.37 = 7,784.02/x
3. Step 3: Cross multiply
   14,072.50x = 19,418.37 × 7,784.02
4. Step 4: Simplify right side
   14,072.50x = 151,152,980.45
5. Step 5: Solve for x
   x = 151,152,980.45/14,072.50
6. Step 6: Final answer
   x = 10,741.02