Finding the Fourth Proportional to 118,222,447.41, 163,146,003.35 and 64,577,152.92

Step by Step Solution

1. Step 1: Write the proportion equation
   118,222,447.41 : 163,146,003.35 = 64,577,152.92 : x
2. Step 2: Convert to fraction form
   118,222,447.41/163,146,003.35 = 64,577,152.92/x
3. Step 3: Cross multiply
   118,222,447.41x = 163,146,003.35 × 64,577,152.92
4. Step 4: Simplify right side
   118,222,447.41x = 10,535,504,406,619,782
5. Step 5: Solve for x
   x = 10,535,504,406,619,782/118,222,447.41
6. Step 6: Final answer
   x = 89,115,938.96