Finding the Fourth Proportional to 151,879,333.50, 209,582,599.23 and 89,157,978.18

Step by Step Solution

1. Step 1: Write the proportion equation
   151,879,333.50 : 209,582,599.23 = 89,157,978.18 : x
2. Step 2: Convert to fraction form
   151,879,333.50/209,582,599.23 = 89,157,978.18/x
3. Step 3: Cross multiply
   151,879,333.50x = 209,582,599.23 × 89,157,978.18
4. Step 4: Simplify right side
   151,879,333.50x = 18,685,960,809,056,024
5. Step 5: Solve for x
   x = 18,685,960,809,056,024/151,879,333.50
6. Step 6: Final answer
   x = 123,031,622.40