Finding the Fourth Proportional to 161,482,833.69, 241,869,891.56 and 133,499,601.31

Step by Step Solution

1. Step 1: Write the proportion equation
   161,482,833.69 : 241,869,891.56 = 133,499,601.31 : x
2. Step 2: Convert to fraction form
   161,482,833.69/241,869,891.56 = 133,499,601.31/x
3. Step 3: Cross multiply
   161,482,833.69x = 241,869,891.56 × 133,499,601.31
4. Step 4: Simplify right side
   161,482,833.69x = 32,289,534,092,152,936
5. Step 5: Solve for x
   x = 32,289,534,092,152,936/161,482,833.69
6. Step 6: Final answer
   x = 199,956,449.58