Finding the Fourth Proportional to 53,172.42, 73,377.13 and 30,510.91

Step by Step Solution

1. Step 1: Write the proportion equation
   53,172.42 : 73,377.13 = 30,510.91 : x
2. Step 2: Convert to fraction form
   53,172.42/73,377.13 = 30,510.91/x
3. Step 3: Cross multiply
   53,172.42x = 73,377.13 × 30,510.91
4. Step 4: Simplify right side
   53,172.42x = 2,238,803,009.49
5. Step 5: Solve for x
   x = 2,238,803,009.49/53,172.42
6. Step 6: Final answer
   x = 42,104.59