Finding the Fourth Proportional to 12,884,286.90, 17,779,259.01 and 7,585,140.72

Step by Step Solution

1. Step 1: Write the proportion equation
   12,884,286.90 : 17,779,259.01 = 7,585,140.72 : x
2. Step 2: Convert to fraction form
   12,884,286.90/17,779,259.01 = 7,585,140.72/x
3. Step 3: Cross multiply
   12,884,286.90x = 17,779,259.01 × 7,585,140.72
4. Step 4: Simplify right side
   12,884,286.90x = 134,858,181,488,177.89
5. Step 5: Solve for x
   x = 134,858,181,488,177.89/12,884,286.90
6. Step 6: Final answer
   x = 10,466,871.98