Finding the Fourth Proportional to 9,482,891.68, 13,086,389.59 and 5,131,978.84

Step by Step Solution

1. Step 1: Write the proportion equation
   9,482,891.68 : 13,086,389.59 = 5,131,978.84 : x
2. Step 2: Convert to fraction form
   9,482,891.68/13,086,389.59 = 5,131,978.84/x
3. Step 3: Cross multiply
   9,482,891.68x = 13,086,389.59 × 5,131,978.84
4. Step 4: Simplify right side
   9,482,891.68x = 67,159,074,467,876.27
5. Step 5: Solve for x
   x = 67,159,074,467,876.27/9,482,891.68
6. Step 6: Final answer
   x = 7,082,130.30