Finding the Fourth Proportional to 8,778,144.34, 12,113,856.90 and 4,910,730.10

Step by Step Solution

1. Step 1: Write the proportion equation
   8,778,144.34 : 12,113,856.90 = 4,910,730.10 : x
2. Step 2: Convert to fraction form
   8,778,144.34/12,113,856.90 = 4,910,730.10/x
3. Step 3: Cross multiply
   8,778,144.34x = 12,113,856.90 × 4,910,730.10
4. Step 4: Simplify right side
   8,778,144.34x = 59,487,881,705,922.69
5. Step 5: Solve for x
   x = 59,487,881,705,922.69/8,778,144.34
6. Step 6: Final answer
   x = 6,776,817.45