Finding the Fourth Proportional to 116,295,315.32, 160,488,611.40 and 64,086,219.38

Step by Step Solution

1. Step 1: Write the proportion equation
   116,295,315.32 : 160,488,611.40 = 64,086,219.38 : x
2. Step 2: Convert to fraction form
   116,295,315.32/160,488,611.40 = 64,086,219.38/x
3. Step 3: Cross multiply
   116,295,315.32x = 160,488,611.40 × 64,086,219.38
4. Step 4: Simplify right side
   116,295,315.32x = 10,285,108,358,171,970
5. Step 5: Solve for x
   x = 10,285,108,358,171,970/116,295,315.32
6. Step 6: Final answer
   x = 88,439,575.83