Finding the Fourth Proportional to 8,778,085.56, 12,113,775.79 and 4,910,671.31

Step by Step Solution

1. Step 1: Write the proportion equation
   8,778,085.56 : 12,113,775.79 = 4,910,671.31 : x
2. Step 2: Convert to fraction form
   8,778,085.56/12,113,775.79 = 4,910,671.31/x
3. Step 3: Cross multiply
   8,778,085.56x = 12,113,775.79 × 4,910,671.31
4. Step 4: Simplify right side
   8,778,085.56x = 59,486,771,154,880.02
5. Step 5: Solve for x
   x = 59,486,771,154,880.02/8,778,085.56
6. Step 6: Final answer
   x = 6,776,736.31