Finding the Fourth Proportional to 9,078,536.59, 12,521,293.08 and 5,815,654.69

Step by Step Solution

1. Step 1: Write the proportion equation
   9,078,536.59 : 12,521,293.08 = 5,815,654.69 : x
2. Step 2: Convert to fraction form
   9,078,536.59/12,521,293.08 = 5,815,654.69/x
3. Step 3: Cross multiply
   9,078,536.59x = 12,521,293.08 × 5,815,654.69
4. Step 4: Simplify right side
   9,078,536.59x = 72,819,516,825,566.55
5. Step 5: Solve for x
   x = 72,819,516,825,566.55/9,078,536.59
6. Step 6: Final answer
   x = 8,021,063.32