Finding the Fourth Proportional to 7,409,776.43, 11,096,726.18 and 5,128,910.39

Step by Step Solution

1. Step 1: Write the proportion equation
   7,409,776.43 : 11,096,726.18 = 5,128,910.39 : x
2. Step 2: Convert to fraction form
   7,409,776.43/11,096,726.18 = 5,128,910.39/x
3. Step 3: Cross multiply
   7,409,776.43x = 11,096,726.18 × 5,128,910.39
4. Step 4: Simplify right side
   7,409,776.43x = 56,914,114,118,458.83
5. Step 5: Solve for x
   x = 56,914,114,118,458.83/7,409,776.43
6. Step 6: Final answer
   x = 7,680,948.91