Finding the Fourth Proportional to 7,499,364.80, 11,253,142.32 and 3,180,743.28

Step by Step Solution

1. Step 1: Write the proportion equation
   7,499,364.80 : 11,253,142.32 = 3,180,743.28 : x
2. Step 2: Convert to fraction form
   7,499,364.80/11,253,142.32 = 3,180,743.28/x
3. Step 3: Cross multiply
   7,499,364.80x = 11,253,142.32 × 3,180,743.28
4. Step 4: Simplify right side
   7,499,364.80x = 35,793,356,813,223.61
5. Step 5: Solve for x
   x = 35,793,356,813,223.61/7,499,364.80
6. Step 6: Final answer
   x = 4,772,851.80