Finding the Fourth Proportional to 57,786,739.67, 79,743,584.61 and 31,680,684.71

Step by Step Solution

1. Step 1: Write the proportion equation
   57,786,739.67 : 79,743,584.61 = 31,680,684.71 : x
2. Step 2: Convert to fraction form
   57,786,739.67/79,743,584.61 = 31,680,684.71/x
3. Step 3: Cross multiply
   57,786,739.67x = 79,743,584.61 × 31,680,684.71
4. Step 4: Simplify right side
   57,786,739.67x = 2,526,331,361,674,618.50
5. Step 5: Solve for x
   x = 2,526,331,361,674,618.50/57,786,739.67
6. Step 6: Final answer
   x = 43,718,184.76