Finding the Fourth Proportional to 61,113,259.89, 91,668,558.20 and 28,747,222.38

Step by Step Solution

1. Step 1: Write the proportion equation
   61,113,259.89 : 91,668,558.20 = 28,747,222.38 : x
2. Step 2: Convert to fraction form
   61,113,259.89/91,668,558.20 = 28,747,222.38/x
3. Step 3: Cross multiply
   61,113,259.89x = 91,668,558.20 × 28,747,222.38
4. Step 4: Simplify right side
   61,113,259.89x = 2,635,216,427,986,676
5. Step 5: Solve for x
   x = 2,635,216,427,986,676/61,113,259.89
6. Step 6: Final answer
   x = 43,120,207.18