Finding the Fourth Proportional to 143,573.86, 215,393.19 and 47,510.83

Step by Step Solution

1. Step 1: Write the proportion equation
   143,573.86 : 215,393.19 = 47,510.83 : x
2. Step 2: Convert to fraction form
   143,573.86/215,393.19 = 47,510.83/x
3. Step 3: Cross multiply
   143,573.86x = 215,393.19 × 47,510.83
4. Step 4: Simplify right side
   143,573.86x = 10,233,509,233.25
5. Step 5: Solve for x
   x = 10,233,509,233.25/143,573.86
6. Step 6: Final answer
   x = 71,276.97