Finding the Fourth Proportional to 319,341,300.72, 479,008,757.76 and 100,991,680.08

Step by Step Solution

1. Step 1: Write the proportion equation
   319,341,300.72 : 479,008,757.76 = 100,991,680.08 : x
2. Step 2: Convert to fraction form
   319,341,300.72/479,008,757.76 = 100,991,680.08/x
3. Step 3: Cross multiply
   319,341,300.72x = 479,008,757.76 × 100,991,680.08
4. Step 4: Simplify right side
   319,341,300.72x = 48,375,899,219,216,136
5. Step 5: Solve for x
   x = 48,375,899,219,216,136/319,341,300.72
6. Step 6: Final answer
   x = 151,486,510.23