Finding the Fourth Proportional to 39,066.89, 58,607.62 and 12,773.07

Step by Step Solution

1. Step 1: Write the proportion equation
   39,066.89 : 58,607.62 = 12,773.07 : x
2. Step 2: Convert to fraction form
   39,066.89/58,607.62 = 12,773.07/x
3. Step 3: Cross multiply
   39,066.89x = 58,607.62 × 12,773.07
4. Step 4: Simplify right side
   39,066.89x = 748,599,200.86
5. Step 5: Solve for x
   x = 748,599,200.86/39,066.89
6. Step 6: Final answer
   x = 19,161.99