Finding the Fourth Proportional to 9,247,681.42, 12,761,781.87 and 5,173,300.42

Step by Step Solution

1. Step 1: Write the proportion equation
   9,247,681.42 : 12,761,781.87 = 5,173,300.42 : x
2. Step 2: Convert to fraction form
   9,247,681.42/12,761,781.87 = 5,173,300.42/x
3. Step 3: Cross multiply
   9,247,681.42x = 12,761,781.87 × 5,173,300.42
4. Step 4: Simplify right side
   9,247,681.42x = 66,020,531,508,019.38
5. Step 5: Solve for x
   x = 66,020,531,508,019.38/9,247,681.42
6. Step 6: Final answer
   x = 7,139,144.24