Finding the Fourth Proportional to 64,312.72, 88,721.93 and 41,659.25

Step by Step Solution

1. Step 1: Write the proportion equation
   64,312.72 : 88,721.93 = 41,659.25 : x
2. Step 2: Convert to fraction form
   64,312.72/88,721.93 = 41,659.25/x
3. Step 3: Cross multiply
   64,312.72x = 88,721.93 × 41,659.25
4. Step 4: Simplify right side
   64,312.72x = 3,696,088,722.89
5. Step 5: Solve for x
   x = 3,696,088,722.89/64,312.72
6. Step 6: Final answer
   x = 57,470.57