Finding the Fourth Proportional to 8,778,100.81, 12,113,796.90 and 4,910,686.56

Step by Step Solution

1. Step 1: Write the proportion equation
   8,778,100.81 : 12,113,796.90 = 4,910,686.56 : x
2. Step 2: Convert to fraction form
   8,778,100.81/12,113,796.90 = 4,910,686.56/x
3. Step 3: Cross multiply
   8,778,100.81x = 12,113,796.90 × 4,910,686.56
4. Step 4: Simplify right side
   8,778,100.81x = 59,487,059,566,830.68
5. Step 5: Solve for x
   x = 59,487,059,566,830.68/8,778,100.81
6. Step 6: Final answer
   x = 6,776,757.39