Finding the Fourth Proportional to 12,009,049.31, 18,010,872.63 and 5,525,905.84

Step by Step Solution

1. Step 1: Write the proportion equation
   12,009,049.31 : 18,010,872.63 = 5,525,905.84 : x
2. Step 2: Convert to fraction form
   12,009,049.31/18,010,872.63 = 5,525,905.84/x
3. Step 3: Cross multiply
   12,009,049.31x = 18,010,872.63 × 5,525,905.84
4. Step 4: Simplify right side
   12,009,049.31x = 99,526,386,249,613.16
5. Step 5: Solve for x
   x = 99,526,386,249,613.16/12,009,049.31
6. Step 6: Final answer
   x = 8,287,615.75