Finding the Fourth Proportional to 52,869.88, 72,953.69 and 30,210.34

Step by Step Solution

1. Step 1: Write the proportion equation
   52,869.88 : 72,953.69 = 30,210.34 : x
2. Step 2: Convert to fraction form
   52,869.88/72,953.69 = 30,210.34/x
3. Step 3: Cross multiply
   52,869.88x = 72,953.69 × 30,210.34
4. Step 4: Simplify right side
   52,869.88x = 2,203,955,779.15
5. Step 5: Solve for x
   x = 2,203,955,779.15/52,869.88
6. Step 6: Final answer
   x = 41,686.42