Finding the Fourth Proportional to 73,892.80, 110,802.88 and 42,298.08

Step by Step Solution

1. Step 1: Write the proportion equation
   73,892.80 : 110,802.88 = 42,298.08 : x
2. Step 2: Convert to fraction form
   73,892.80/110,802.88 = 42,298.08/x
3. Step 3: Cross multiply
   73,892.80x = 110,802.88 × 42,298.08
4. Step 4: Simplify right side
   73,892.80x = 4,686,749,082.47
5. Step 5: Solve for x
   x = 4,686,749,082.47/73,892.80
6. Step 6: Final answer
   x = 63,426.33