Finding the Fourth Proportional to 10,290,523.60, 14,199,992.04 and 5,706,830.80

Step by Step Solution

1. Step 1: Write the proportion equation
   10,290,523.60 : 14,199,992.04 = 5,706,830.80 : x
2. Step 2: Convert to fraction form
   10,290,523.60/14,199,992.04 = 5,706,830.80/x
3. Step 3: Cross multiply
   10,290,523.60x = 14,199,992.04 × 5,706,830.80
4. Step 4: Simplify right side
   10,290,523.60x = 81,036,951,933,626.83
5. Step 5: Solve for x
   x = 81,036,951,933,626.83/10,290,523.60
6. Step 6: Final answer
   x = 7,874,910.46