Finding the Fourth Proportional to 116,930,157.96, 161,361,660.65 and 64,718,075.82

Step by Step Solution

1. Step 1: Write the proportion equation
   116,930,157.96 : 161,361,660.65 = 64,718,075.82 : x
2. Step 2: Convert to fraction form
   116,930,157.96/161,361,660.65 = 64,718,075.82/x
3. Step 3: Cross multiply
   116,930,157.96x = 161,361,660.65 × 64,718,075.82
4. Step 4: Simplify right side
   116,930,157.96x = 10,443,016,188,387,810
5. Step 5: Solve for x
   x = 10,443,016,188,387,810/116,930,157.96
6. Step 6: Final answer
   x = 89,309,861.29