Finding the Fourth Proportional to 152,245,766.44, 210,099,354.42 and 82,631,139.40

Step by Step Solution

1. Step 1: Write the proportion equation
   152,245,766.44 : 210,099,354.42 = 82,631,139.40 : x
2. Step 2: Convert to fraction form
   152,245,766.44/210,099,354.42 = 82,631,139.40/x
3. Step 3: Cross multiply
   152,245,766.44x = 210,099,354.42 × 82,631,139.40
4. Step 4: Simplify right side
   152,245,766.44x = 17,360,749,042,929,026
5. Step 5: Solve for x
   x = 17,360,749,042,929,026/152,245,766.44
6. Step 6: Final answer
   x = 114,031,079.15