Finding the Fourth Proportional to 117,081,659.88, 161,570,552.00 and 64,870,504.92

Step by Step Solution

1. Step 1: Write the proportion equation
   117,081,659.88 : 161,570,552.00 = 64,870,504.92 : x
2. Step 2: Convert to fraction form
   117,081,659.88/161,570,552.00 = 64,870,504.92/x
3. Step 3: Cross multiply
   117,081,659.88x = 161,570,552.00 × 64,870,504.92
4. Step 4: Simplify right side
   117,081,659.88x = 10,481,163,288,118,764
5. Step 5: Solve for x
   x = 10,481,163,288,118,764/117,081,659.88
6. Step 6: Final answer
   x = 89,520,111.85