Finding the Fourth Proportional to 116,994,296.80, 161,450,152.17 and 64,782,211.48

Step by Step Solution

1. Step 1: Write the proportion equation
   116,994,296.80 : 161,450,152.17 = 64,782,211.48 : x
2. Step 2: Convert to fraction form
   116,994,296.80/161,450,152.17 = 64,782,211.48/x
3. Step 3: Cross multiply
   116,994,296.80x = 161,450,152.17 × 64,782,211.48
4. Step 4: Simplify right side
   116,994,296.80x = 10,459,097,901,355,120
5. Step 5: Solve for x
   x = 10,459,097,901,355,120/116,994,296.80
6. Step 6: Final answer
   x = 89,398,356.91