Finding the Fourth Proportional to 116,855,794.50, 161,265,744.63 and 64,643,929.98

Step by Step Solution

1. Step 1: Write the proportion equation
   116,855,794.50 : 161,265,744.63 = 64,643,929.98 : x
2. Step 2: Convert to fraction form
   116,855,794.50/161,265,744.63 = 64,643,929.98/x
3. Step 3: Cross multiply
   116,855,794.50x = 161,265,744.63 × 64,643,929.98
4. Step 4: Simplify right side
   116,855,794.50x = 10,424,851,504,034,280
5. Step 5: Solve for x
   x = 10,424,851,504,034,280/116,855,794.50
6. Step 6: Final answer
   x = 89,211,250.06