Finding the Fourth Proportional to 78,918,478.72, 118,375,050.40 and 27,799,162.72

Step by Step Solution

1. Step 1: Write the proportion equation
   78,918,478.72 : 118,375,050.40 = 27,799,162.72 : x
2. Step 2: Convert to fraction form
   78,918,478.72/118,375,050.40 = 27,799,162.72/x
3. Step 3: Cross multiply
   78,918,478.72x = 118,375,050.40 × 27,799,162.72
4. Step 4: Simplify right side
   78,918,478.72x = 3,290,727,288,057,801
5. Step 5: Solve for x
   x = 3,290,727,288,057,801/78,918,478.72
6. Step 6: Final answer
   x = 41,697,804.39