Finding the Fourth Proportional to 71,810.16, 98,881.61 and 67,601.94

Step by Step Solution

1. Step 1: Write the proportion equation
   71,810.16 : 98,881.61 = 67,601.94 : x
2. Step 2: Convert to fraction form
   71,810.16/98,881.61 = 67,601.94/x
3. Step 3: Cross multiply
   71,810.16x = 98,881.61 × 67,601.94
4. Step 4: Simplify right side
   71,810.16x = 6,684,588,328.31
5. Step 5: Solve for x
   x = 6,684,588,328.31/71,810.16
6. Step 6: Final answer
   x = 93,086.94