Finding the Fourth Proportional to 42,407.82, 63,490.77 and 33,655.50

Step by Step Solution

1. Step 1: Write the proportion equation
   42,407.82 : 63,490.77 = 33,655.50 : x
2. Step 2: Convert to fraction form
   42,407.82/63,490.77 = 33,655.50/x
3. Step 3: Cross multiply
   42,407.82x = 63,490.77 × 33,655.50
4. Step 4: Simplify right side
   42,407.82x = 2,136,813,609.74
5. Step 5: Solve for x
   x = 2,136,813,609.74/42,407.82
6. Step 6: Final answer
   x = 50,387.25