Finding the Fourth Proportional to 68,492.81, 94,513.46 and 42,991.02

Step by Step Solution

1. Step 1: Write the proportion equation
   68,492.81 : 94,513.46 = 42,991.02 : x
2. Step 2: Convert to fraction form
   68,492.81/94,513.46 = 42,991.02/x
3. Step 3: Cross multiply
   68,492.81x = 94,513.46 × 42,991.02
4. Step 4: Simplify right side
   68,492.81x = 4,063,229,834.17
5. Step 5: Solve for x
   x = 4,063,229,834.17/68,492.81
6. Step 6: Final answer
   x = 59,323.45