Finding the Fourth Proportional to 9,513,665.16, 13,128,866.82 and 5,439,369.48

Step by Step Solution

1. Step 1: Write the proportion equation
   9,513,665.16 : 13,128,866.82 = 5,439,369.48 : x
2. Step 2: Convert to fraction form
   9,513,665.16/13,128,866.82 = 5,439,369.48/x
3. Step 3: Cross multiply
   9,513,665.16x = 13,128,866.82 × 5,439,369.48
4. Step 4: Simplify right side
   9,513,665.16x = 71,412,757,487,692.66
5. Step 5: Solve for x
   x = 71,412,757,487,692.66/9,513,665.16
6. Step 6: Final answer
   x = 7,506,334.97