Finding the Fourth Proportional to 73,900.02, 101,990.16 and 42,063.78

Step by Step Solution

1. Step 1: Write the proportion equation
   73,900.02 : 101,990.16 = 42,063.78 : x
2. Step 2: Convert to fraction form
   73,900.02/101,990.16 = 42,063.78/x
3. Step 3: Cross multiply
   73,900.02x = 101,990.16 × 42,063.78
4. Step 4: Simplify right side
   73,900.02x = 4,290,091,652.40
5. Step 5: Solve for x
   x = 4,290,091,652.40/73,900.02
6. Step 6: Final answer
   x = 58,052.65