Finding the Fourth Proportional to 105,100.32, 157,649.44 and 48,158.10

Step by Step Solution

1. Step 1: Write the proportion equation
   105,100.32 : 157,649.44 = 48,158.10 : x
2. Step 2: Convert to fraction form
   105,100.32/157,649.44 = 48,158.10/x
3. Step 3: Cross multiply
   105,100.32x = 157,649.44 × 48,158.10
4. Step 4: Simplify right side
   105,100.32x = 7,592,097,496.46
5. Step 5: Solve for x
   x = 7,592,097,496.46/105,100.32
6. Step 6: Final answer
   x = 72,236.67