Finding the Fourth Proportional to 71,314.74, 98,397.72 and 42,643.71

Step by Step Solution

1. Step 1: Write the proportion equation
   71,314.74 : 98,397.72 = 42,643.71 : x
2. Step 2: Convert to fraction form
   71,314.74/98,397.72 = 42,643.71/x
3. Step 3: Cross multiply
   71,314.74x = 98,397.72 × 42,643.71
4. Step 4: Simplify right side
   71,314.74x = 4,196,043,836.34
5. Step 5: Solve for x
   x = 4,196,043,836.34/71,314.74
6. Step 6: Final answer
   x = 58,838.38