Finding the Fourth Proportional to 64,038.72, 88,369.72 and 35,746.20

Step by Step Solution

1. Step 1: Write the proportion equation
   64,038.72 : 88,369.72 = 35,746.20 : x
2. Step 2: Convert to fraction form
   64,038.72/88,369.72 = 35,746.20/x
3. Step 3: Cross multiply
   64,038.72x = 88,369.72 × 35,746.20
4. Step 4: Simplify right side
   64,038.72x = 3,158,881,685.06
5. Step 5: Solve for x
   x = 3,158,881,685.06/64,038.72
6. Step 6: Final answer
   x = 49,327.68