Finding the Fourth Proportional to 12,142,100.80, 16,756,105.20 and 6,709,592.80

Step by Step Solution

1. Step 1: Write the proportion equation
   12,142,100.80 : 16,756,105.20 = 6,709,592.80 : x
2. Step 2: Convert to fraction form
   12,142,100.80/16,756,105.20 = 6,709,592.80/x
3. Step 3: Cross multiply
   12,142,100.80x = 16,756,105.20 × 6,709,592.80
4. Step 4: Simplify right side
   12,142,100.80x = 112,426,642,805,962.55
5. Step 5: Solve for x
   x = 112,426,642,805,962.55/12,142,100.80
6. Step 6: Final answer
   x = 9,259,241.43