Finding the Fourth Proportional to 42,087, 63,037.80 and 34,791.33

Step by Step Solution

1. Step 1: Write the proportion equation
   42,087 : 63,037.80 = 34,791.33 : x
2. Step 2: Convert to fraction form
   42,087/63,037.80 = 34,791.33/x
3. Step 3: Cross multiply
   42,087x = 63,037.80 × 34,791.33
4. Step 4: Simplify right side
   42,087x = 2,193,168,902.27
5. Step 5: Solve for x
   x = 2,193,168,902.27/42,087
6. Step 6: Final answer
   x = 52,110.36