Finding the Fourth Proportional to 53,484.69, 73,799.04 and 30,820.50

Step by Step Solution

1. Step 1: Write the proportion equation
   53,484.69 : 73,799.04 = 30,820.50 : x
2. Step 2: Convert to fraction form
   53,484.69/73,799.04 = 30,820.50/x
3. Step 3: Cross multiply
   53,484.69x = 73,799.04 × 30,820.50
4. Step 4: Simplify right side
   53,484.69x = 2,274,523,312.32
5. Step 5: Solve for x
   x = 2,274,523,312.32/53,484.69
6. Step 6: Final answer
   x = 42,526.62