Finding the Fourth Proportional to 105,374.57, 145,372.76 and 69,084.71

Step by Step Solution

1. Step 1: Write the proportion equation
   105,374.57 : 145,372.76 = 69,084.71 : x
2. Step 2: Convert to fraction form
   105,374.57/145,372.76 = 69,084.71/x
3. Step 3: Cross multiply
   105,374.57x = 145,372.76 × 69,084.71
4. Step 4: Simplify right side
   105,374.57x = 10,043,034,698.43
5. Step 5: Solve for x
   x = 10,043,034,698.43/105,374.57
6. Step 6: Final answer
   x = 95,307.96