Finding the Fourth Proportional to 92,064.30, 138,096.58 and 28,023

Step by Step Solution

1. Step 1: Write the proportion equation
   92,064.30 : 138,096.58 = 28,023 : x
2. Step 2: Convert to fraction form
   92,064.30/138,096.58 = 28,023/x
3. Step 3: Cross multiply
   92,064.30x = 138,096.58 × 28,023
4. Step 4: Simplify right side
   92,064.30x = 3,869,880,461.34
5. Step 5: Solve for x
   x = 3,869,880,461.34/92,064.30
6. Step 6: Final answer
   x = 42,034.54