Finding the Fourth Proportional to 358,031,841.59, 537,047,910.69 and 161,065,190.31

Step by Step Solution

1. Step 1: Write the proportion equation
   358,031,841.59 : 537,047,910.69 = 161,065,190.31 : x
2. Step 2: Convert to fraction form
   358,031,841.59/537,047,910.69 = 161,065,190.31/x
3. Step 3: Cross multiply
   358,031,841.59x = 537,047,910.69 × 161,065,190.31
4. Step 4: Simplify right side
   358,031,841.59x = 86,499,723,944,150,640
5. Step 5: Solve for x
   x = 86,499,723,944,150,640/358,031,841.59
6. Step 6: Final answer
   x = 241,597,852.19