Finding the Fourth Proportional to 70,613.98, 97,446.85 and 42,319.67

Step by Step Solution

1. Step 1: Write the proportion equation
   70,613.98 : 97,446.85 = 42,319.67 : x
2. Step 2: Convert to fraction form
   70,613.98/97,446.85 = 42,319.67/x
3. Step 3: Cross multiply
   70,613.98x = 97,446.85 × 42,319.67
4. Step 4: Simplify right side
   70,613.98x = 4,123,917,941.51
5. Step 5: Solve for x
   x = 4,123,917,941.51/70,613.98
6. Step 6: Final answer
   x = 58,400.87