Finding the Fourth Proportional to 12,943.19, 19,418.86 and 4,623.02

Step by Step Solution

1. Step 1: Write the proportion equation
   12,943.19 : 19,418.86 = 4,623.02 : x
2. Step 2: Convert to fraction form
   12,943.19/19,418.86 = 4,623.02/x
3. Step 3: Cross multiply
   12,943.19x = 19,418.86 × 4,623.02
4. Step 4: Simplify right side
   12,943.19x = 89,773,881.90
5. Step 5: Solve for x
   x = 89,773,881.90/12,943.19
6. Step 6: Final answer
   x = 6,935.99