Finding the Fourth Proportional to 71,317.58, 98,411.40 and 42,631.52

Step by Step Solution

1. Step 1: Write the proportion equation
   71,317.58 : 98,411.40 = 42,631.52 : x
2. Step 2: Convert to fraction form
   71,317.58/98,411.40 = 42,631.52/x
3. Step 3: Cross multiply
   71,317.58x = 98,411.40 × 42,631.52
4. Step 4: Simplify right side
   71,317.58x = 4,195,427,075.27
5. Step 5: Solve for x
   x = 4,195,427,075.27/71,317.58
6. Step 6: Final answer
   x = 58,827.39