Finding the Fourth Proportional to 10,177,705.89, 15,244,635.95 and 4,778,265.33

Step by Step Solution

1. Step 1: Write the proportion equation
   10,177,705.89 : 15,244,635.95 = 4,778,265.33 : x
2. Step 2: Convert to fraction form
   10,177,705.89/15,244,635.95 = 4,778,265.33/x
3. Step 3: Cross multiply
   10,177,705.89x = 15,244,635.95 × 4,778,265.33
4. Step 4: Simplify right side
   10,177,705.89x = 72,842,915,422,383.78
5. Step 5: Solve for x
   x = 72,842,915,422,383.78/10,177,705.89
6. Step 6: Final answer
   x = 7,157,105.56