Finding the Fourth Proportional to 16,404,263.18, 22,638,072.47 and 9,061,942.55

Step by Step Solution

1. Step 1: Write the proportion equation
   16,404,263.18 : 22,638,072.47 = 9,061,942.55 : x
2. Step 2: Convert to fraction form
   16,404,263.18/22,638,072.47 = 9,061,942.55/x
3. Step 3: Cross multiply
   16,404,263.18x = 22,638,072.47 × 9,061,942.55
4. Step 4: Simplify right side
   16,404,263.18x = 205,144,912,007,376.53
5. Step 5: Solve for x
   x = 205,144,912,007,376.53/16,404,263.18
6. Step 6: Final answer
   x = 12,505,585.27