Finding the Fourth Proportional to 152,428.67, 210,386.53 and 101,443.52

Step by Step Solution

1. Step 1: Write the proportion equation
   152,428.67 : 210,386.53 = 101,443.52 : x
2. Step 2: Convert to fraction form
   152,428.67/210,386.53 = 101,443.52/x
3. Step 3: Cross multiply
   152,428.67x = 210,386.53 × 101,443.52
4. Step 4: Simplify right side
   152,428.67x = 21,342,350,816.56
5. Step 5: Solve for x
   x = 21,342,350,816.56/152,428.67
6. Step 6: Final answer
   x = 140,015.33