Finding the Fourth Proportional to 117,589,951.42, 162,265,709.52 and 64,670,385.25

Step by Step Solution

1. Step 1: Write the proportion equation
   117,589,951.42 : 162,265,709.52 = 64,670,385.25 : x
2. Step 2: Convert to fraction form
   117,589,951.42/162,265,709.52 = 64,670,385.25/x
3. Step 3: Cross multiply
   117,589,951.42x = 162,265,709.52 × 64,670,385.25
4. Step 4: Simplify right side
   117,589,951.42x = 10,493,785,947,522,994
5. Step 5: Solve for x
   x = 10,493,785,947,522,994/117,589,951.42
6. Step 6: Final answer
   x = 89,240,499.05