Finding the Fourth Proportional to 9,349,180.72, 12,901,881.76 and 5,275,178.80

Step by Step Solution

1. Step 1: Write the proportion equation
   9,349,180.72 : 12,901,881.76 = 5,275,178.80 : x
2. Step 2: Convert to fraction form
   9,349,180.72/12,901,881.76 = 5,275,178.80/x
3. Step 3: Cross multiply
   9,349,180.72x = 12,901,881.76 × 5,275,178.80
4. Step 4: Simplify right side
   9,349,180.72x = 68,059,733,140,458.69
5. Step 5: Solve for x
   x = 68,059,733,140,458.69/9,349,180.72
6. Step 6: Final answer
   x = 7,279,753.72