Finding the Fourth Proportional to 10,692,123.30, 16,019,522.55 and 9,199,131.30

Step by Step Solution

1. Step 1: Write the proportion equation
   10,692,123.30 : 16,019,522.55 = 9,199,131.30 : x
2. Step 2: Convert to fraction form
   10,692,123.30/16,019,522.55 = 9,199,131.30/x
3. Step 3: Cross multiply
   10,692,123.30x = 16,019,522.55 × 9,199,131.30
4. Step 4: Simplify right side
   10,692,123.30x = 147,365,691,300,760.84
5. Step 5: Solve for x
   x = 147,365,691,300,760.84/10,692,123.30
6. Step 6: Final answer
   x = 13,782,640.47