Finding the Fourth Proportional to 102,587.69, 141,573.40 and 64,348.86

Step by Step Solution

1. Step 1: Write the proportion equation
   102,587.69 : 141,573.40 = 64,348.86 : x
2. Step 2: Convert to fraction form
   102,587.69/141,573.40 = 64,348.86/x
3. Step 3: Cross multiply
   102,587.69x = 141,573.40 × 64,348.86
4. Step 4: Simplify right side
   102,587.69x = 9,110,086,896.32
5. Step 5: Solve for x
   x = 9,110,086,896.32/102,587.69
6. Step 6: Final answer
   x = 88,802.93