Finding the Fourth Proportional to 70,630.52, 97,429.37 and 42,319.80

Step by Step Solution

1. Step 1: Write the proportion equation
   70,630.52 : 97,429.37 = 42,319.80 : x
2. Step 2: Convert to fraction form
   70,630.52/97,429.37 = 42,319.80/x
3. Step 3: Cross multiply
   70,630.52x = 97,429.37 × 42,319.80
4. Step 4: Simplify right side
   70,630.52x = 4,123,191,240.93
5. Step 5: Solve for x
   x = 4,123,191,240.93/70,630.52
6. Step 6: Final answer
   x = 58,376.91