Finding the Fourth Proportional to 53,552.86, 73,886.05 and 30,888.81

Step by Step Solution

1. Step 1: Write the proportion equation
   53,552.86 : 73,886.05 = 30,888.81 : x
2. Step 2: Convert to fraction form
   53,552.86/73,886.05 = 30,888.81/x
3. Step 3: Cross multiply
   53,552.86x = 73,886.05 × 30,888.81
4. Step 4: Simplify right side
   53,552.86x = 2,282,252,082.88
5. Step 5: Solve for x
   x = 2,282,252,082.88/53,552.86
6. Step 6: Final answer
   x = 42,616.81