Finding the Fourth Proportional to 71,290.05, 98,373.59 and 42,604.01

Step by Step Solution

1. Step 1: Write the proportion equation
   71,290.05 : 98,373.59 = 42,604.01 : x
2. Step 2: Convert to fraction form
   71,290.05/98,373.59 = 42,604.01/x
3. Step 3: Cross multiply
   71,290.05x = 98,373.59 × 42,604.01
4. Step 4: Simplify right side
   71,290.05x = 4,191,108,707.21
5. Step 5: Solve for x
   x = 4,191,108,707.21/71,290.05
6. Step 6: Final answer
   x = 58,789.53