Finding the Fourth Proportional to 64,513.32, 96,801.69 and 28,999.73

Step by Step Solution

1. Step 1: Write the proportion equation
   64,513.32 : 96,801.69 = 28,999.73 : x
2. Step 2: Convert to fraction form
   64,513.32/96,801.69 = 28,999.73/x
3. Step 3: Cross multiply
   64,513.32x = 96,801.69 × 28,999.73
4. Step 4: Simplify right side
   64,513.32x = 2,807,223,115.55
5. Step 5: Solve for x
   x = 2,807,223,115.55/64,513.32
6. Step 6: Final answer
   x = 43,513.85