Finding the Fourth Proportional to 9,025,335.48, 12,455,131.78 and 5,538,926.68

Step by Step Solution

1. Step 1: Write the proportion equation
   9,025,335.48 : 12,455,131.78 = 5,538,926.68 : x
2. Step 2: Convert to fraction form
   9,025,335.48/12,455,131.78 = 5,538,926.68/x
3. Step 3: Cross multiply
   9,025,335.48x = 12,455,131.78 × 5,538,926.68
4. Step 4: Simplify right side
   9,025,335.48x = 68,988,061,719,157.88
5. Step 5: Solve for x
   x = 68,988,061,719,157.88/9,025,335.48
6. Step 6: Final answer
   x = 7,643,822.42