Finding the Fourth Proportional to 588,612,987.56, 882,890,132.72 and 220,120,849.32

Step by Step Solution

1. Step 1: Write the proportion equation
   588,612,987.56 : 882,890,132.72 = 220,120,849.32 : x
2. Step 2: Convert to fraction form
   588,612,987.56/882,890,132.72 = 220,120,849.32/x
3. Step 3: Cross multiply
   588,612,987.56x = 882,890,132.72 × 220,120,849.32
4. Step 4: Simplify right side
   588,612,987.56x = 194,342,525,870,573,920
5. Step 5: Solve for x
   x = 194,342,525,870,573,920/588,612,987.56
6. Step 6: Final answer
   x = 330,170,298.61