Finding the Fourth Proportional to 554,787,669.89, 832,300,767.41 and 161,321,333.19

Step by Step Solution

1. Step 1: Write the proportion equation
   554,787,669.89 : 832,300,767.41 = 161,321,333.19 : x
2. Step 2: Convert to fraction form
   554,787,669.89/832,300,767.41 = 161,321,333.19/x
3. Step 3: Cross multiply
   554,787,669.89x = 832,300,767.41 × 161,321,333.19
4. Step 4: Simplify right side
   554,787,669.89x = 134,267,869,412,834,688
5. Step 5: Solve for x
   x = 134,267,869,412,834,688/554,787,669.89
6. Step 6: Final answer
   x = 242,016,678.99