Finding the Fourth Proportional to 153,862.72, 230,402.04 and 130,243.12

Step by Step Solution

1. Step 1: Write the proportion equation
   153,862.72 : 230,402.04 = 130,243.12 : x
2. Step 2: Convert to fraction form
   153,862.72/230,402.04 = 130,243.12/x
3. Step 3: Cross multiply
   153,862.72x = 230,402.04 × 130,243.12
4. Step 4: Simplify right side
   153,862.72x = 30,008,280,543.96
5. Step 5: Solve for x
   x = 30,008,280,543.96/153,862.72
6. Step 6: Final answer
   x = 195,032.82