Finding the Fourth Proportional to 9,048,907.32, 12,486,536.82 and 5,181,066.60

Step by Step Solution

1. Step 1: Write the proportion equation
   9,048,907.32 : 12,486,536.82 = 5,181,066.60 : x
2. Step 2: Convert to fraction form
   9,048,907.32/12,486,536.82 = 5,181,066.60/x
3. Step 3: Cross multiply
   9,048,907.32x = 12,486,536.82 × 5,181,066.60
4. Step 4: Simplify right side
   9,048,907.32x = 64,693,578,867,772.21
5. Step 5: Solve for x
   x = 64,693,578,867,772.21/9,048,907.32
6. Step 6: Final answer
   x = 7,149,324.95