Finding the Fourth Proportional to 116,659,901.92, 161,000,076.72 and 64,453,496.80

Step by Step Solution

1. Step 1: Write the proportion equation
   116,659,901.92 : 161,000,076.72 = 64,453,496.80 : x
2. Step 2: Convert to fraction form
   116,659,901.92/161,000,076.72 = 64,453,496.80/x
3. Step 3: Cross multiply
   116,659,901.92x = 161,000,076.72 × 64,453,496.80
4. Step 4: Simplify right side
   116,659,901.92x = 10,377,017,929,672,274
5. Step 5: Solve for x
   x = 10,377,017,929,672,274/116,659,901.92
6. Step 6: Final answer
   x = 88,951,025.66