Finding the Fourth Proportional to 93,947.59, 140,919.76 and 31,618.09

Step by Step Solution

1. Step 1: Write the proportion equation
   93,947.59 : 140,919.76 = 31,618.09 : x
2. Step 2: Convert to fraction form
   93,947.59/140,919.76 = 31,618.09/x
3. Step 3: Cross multiply
   93,947.59x = 140,919.76 × 31,618.09
4. Step 4: Simplify right side
   93,947.59x = 4,455,613,870.13
5. Step 5: Solve for x
   x = 4,455,613,870.13/93,947.59
6. Step 6: Final answer
   x = 47,426.59