Finding the Fourth Proportional to 104,947.50, 157,447.89 and 31,075.50

Step by Step Solution

1. Step 1: Write the proportion equation
   104,947.50 : 157,447.89 = 31,075.50 : x
2. Step 2: Convert to fraction form
   104,947.50/157,447.89 = 31,075.50/x
3. Step 3: Cross multiply
   104,947.50x = 157,447.89 × 31,075.50
4. Step 4: Simplify right side
   104,947.50x = 4,892,771,905.70
5. Step 5: Solve for x
   x = 4,892,771,905.70/104,947.50
6. Step 6: Final answer
   x = 46,621.14