Finding the Fourth Proportional to 158,238,709.22, 218,366,528.46 and 87,674,061.98

Step by Step Solution

1. Step 1: Write the proportion equation
   158,238,709.22 : 218,366,528.46 = 87,674,061.98 : x
2. Step 2: Convert to fraction form
   158,238,709.22/218,366,528.46 = 87,674,061.98/x
3. Step 3: Cross multiply
   158,238,709.22x = 218,366,528.46 × 87,674,061.98
4. Step 4: Simplify right side
   158,238,709.22x = 19,145,080,550,559,476
5. Step 5: Solve for x
   x = 19,145,080,550,559,476/158,238,709.22
6. Step 6: Final answer
   x = 120,988,604.15