Finding the Fourth Proportional to 12,155,196.76, 18,226,063.50 and 4,971,775.48

Step by Step Solution

1. Step 1: Write the proportion equation
   12,155,196.76 : 18,226,063.50 = 4,971,775.48 : x
2. Step 2: Convert to fraction form
   12,155,196.76/18,226,063.50 = 4,971,775.48/x
3. Step 3: Cross multiply
   12,155,196.76x = 18,226,063.50 × 4,971,775.48
4. Step 4: Simplify right side
   12,155,196.76x = 90,615,895,606,222.98
5. Step 5: Solve for x
   x = 90,615,895,606,222.98/12,155,196.76
6. Step 6: Final answer
   x = 7,454,909.81