Finding the Fourth Proportional to 10,355,288.60, 14,290,314.01 and 5,771,511.56

Step by Step Solution

1. Step 1: Write the proportion equation
   10,355,288.60 : 14,290,314.01 = 5,771,511.56 : x
2. Step 2: Convert to fraction form
   10,355,288.60/14,290,314.01 = 5,771,511.56/x
3. Step 3: Cross multiply
   10,355,288.60x = 14,290,314.01 × 5,771,511.56
4. Step 4: Simplify right side
   10,355,288.60x = 82,476,712,418,864.61
5. Step 5: Solve for x
   x = 82,476,712,418,864.61/10,355,288.60
6. Step 6: Final answer
   x = 7,964,694.72