Finding the Fourth Proportional to 12,770,949.78, 19,162,403.40 and 5,581,549.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,770,949.78 : 19,162,403.40 = 5,581,549.50 : x
2. Step 2: Convert to fraction form
   12,770,949.78/19,162,403.40 = 5,581,549.50/x
3. Step 3: Cross multiply
   12,770,949.78x = 19,162,403.40 × 5,581,549.50
4. Step 4: Simplify right side
   12,770,949.78x = 106,955,903,116,068.30
5. Step 5: Solve for x
   x = 106,955,903,116,068.30/12,770,949.78
6. Step 6: Final answer
   x = 8,374,937.26