Finding the Fourth Proportional to 73,872.90, 110,701.89 and 42,185.16

Step by Step Solution

1. Step 1: Write the proportion equation
   73,872.90 : 110,701.89 = 42,185.16 : x
2. Step 2: Convert to fraction form
   73,872.90/110,701.89 = 42,185.16/x
3. Step 3: Cross multiply
   73,872.90x = 110,701.89 × 42,185.16
4. Step 4: Simplify right side
   73,872.90x = 4,669,976,941.95
5. Step 5: Solve for x
   x = 4,669,976,941.95/73,872.90
6. Step 6: Final answer
   x = 63,216.37