Finding the Fourth Proportional to 152,011,762.56, 209,770,612.20 and 82,395,648.72

Step by Step Solution

1. Step 1: Write the proportion equation
   152,011,762.56 : 209,770,612.20 = 82,395,648.72 : x
2. Step 2: Convert to fraction form
   152,011,762.56/209,770,612.20 = 82,395,648.72/x
3. Step 3: Cross multiply
   152,011,762.56x = 209,770,612.20 × 82,395,648.72
4. Step 4: Simplify right side
   152,011,762.56x = 17,284,185,674,610,546
5. Step 5: Solve for x
   x = 17,284,185,674,610,546/152,011,762.56
6. Step 6: Final answer
   x = 113,702,948.93