Finding the Fourth Proportional to 64,968, 89,656.38 and 35,160

Step by Step Solution

1. Step 1: Write the proportion equation
   64,968 : 89,656.38 = 35,160 : x
2. Step 2: Convert to fraction form
   64,968/89,656.38 = 35,160/x
3. Step 3: Cross multiply
   64,968x = 89,656.38 × 35,160
4. Step 4: Simplify right side
   64,968x = 3,152,318,320.80
5. Step 5: Solve for x
   x = 3,152,318,320.80/64,968
6. Step 6: Final answer
   x = 48,521.09