Finding the Fourth Proportional to 116,930,157.46, 161,361,659.96 and 64,718,075.32

Step by Step Solution

1. Step 1: Write the proportion equation
   116,930,157.46 : 161,361,659.96 = 64,718,075.32 : x
2. Step 2: Convert to fraction form
   116,930,157.46/161,361,659.96 = 64,718,075.32/x
3. Step 3: Cross multiply
   116,930,157.46x = 161,361,659.96 × 64,718,075.32
4. Step 4: Simplify right side
   116,930,157.46x = 10,443,016,062,567,208
5. Step 5: Solve for x
   x = 10,443,016,062,567,208/116,930,157.46
6. Step 6: Final answer
   x = 89,309,860.60