Finding the Fourth Proportional to 64,938, 89,614.56 and 35,130

Step by Step Solution

1. Step 1: Write the proportion equation
   64,938 : 89,614.56 = 35,130 : x
2. Step 2: Convert to fraction form
   64,938/89,614.56 = 35,130/x
3. Step 3: Cross multiply
   64,938x = 89,614.56 × 35,130
4. Step 4: Simplify right side
   64,938x = 3,148,159,492.80
5. Step 5: Solve for x
   x = 3,148,159,492.80/64,938
6. Step 6: Final answer
   x = 48,479.46