Finding the Fourth Proportional to 21,017,292.69, 31,523,810.46 and 5,666,134.15

Step by Step Solution

1. Step 1: Write the proportion equation
   21,017,292.69 : 31,523,810.46 = 5,666,134.15 : x
2. Step 2: Convert to fraction form
   21,017,292.69/31,523,810.46 = 5,666,134.15/x
3. Step 3: Cross multiply
   21,017,292.69x = 31,523,810.46 × 5,666,134.15
4. Step 4: Simplify right side
   21,017,292.69x = 178,618,139,133,407.94
5. Step 5: Solve for x
   x = 178,618,139,133,407.94/21,017,292.69
6. Step 6: Final answer
   x = 8,498,627.38