Finding the Fourth Proportional to 102,881.69, 141,945.23 and 67,058.63

Step by Step Solution

1. Step 1: Write the proportion equation
   102,881.69 : 141,945.23 = 67,058.63 : x
2. Step 2: Convert to fraction form
   102,881.69/141,945.23 = 67,058.63/x
3. Step 3: Cross multiply
   102,881.69x = 141,945.23 × 67,058.63
4. Step 4: Simplify right side
   102,881.69x = 9,518,651,613.82
5. Step 5: Solve for x
   x = 9,518,651,613.82/102,881.69
6. Step 6: Final answer
   x = 92,520.37