Finding the Fourth Proportional to 101,434.30, 152,090.69 and 48,139.54

Step by Step Solution

1. Step 1: Write the proportion equation
   101,434.30 : 152,090.69 = 48,139.54 : x
2. Step 2: Convert to fraction form
   101,434.30/152,090.69 = 48,139.54/x
3. Step 3: Cross multiply
   101,434.30x = 152,090.69 × 48,139.54
4. Step 4: Simplify right side
   101,434.30x = 7,321,575,233.96
5. Step 5: Solve for x
   x = 7,321,575,233.96/101,434.30
6. Step 6: Final answer
   x = 72,180.47