Finding the Fourth Proportional to 100,762.72, 151,136.16 and 30,641.92

Step by Step Solution

1. Step 1: Write the proportion equation
   100,762.72 : 151,136.16 = 30,641.92 : x
2. Step 2: Convert to fraction form
   100,762.72/151,136.16 = 30,641.92/x
3. Step 3: Cross multiply
   100,762.72x = 151,136.16 × 30,641.92
4. Step 4: Simplify right side
   100,762.72x = 4,631,102,123.83
5. Step 5: Solve for x
   x = 4,631,102,123.83/100,762.72
6. Step 6: Final answer
   x = 45,960.47