Finding the Fourth Proportional to 64,341.15, 88,679.89 and 42,792.36

Step by Step Solution

1. Step 1: Write the proportion equation
   64,341.15 : 88,679.89 = 42,792.36 : x
2. Step 2: Convert to fraction form
   64,341.15/88,679.89 = 42,792.36/x
3. Step 3: Cross multiply
   64,341.15x = 88,679.89 × 42,792.36
4. Step 4: Simplify right side
   64,341.15x = 3,794,821,777.64
5. Step 5: Solve for x
   x = 3,794,821,777.64/64,341.15
6. Step 6: Final answer
   x = 58,979.70