Finding the Fourth Proportional to 57,075.50, 78,764.28 and 31,925

Step by Step Solution

1. Step 1: Write the proportion equation
   57,075.50 : 78,764.28 = 31,925 : x
2. Step 2: Convert to fraction form
   57,075.50/78,764.28 = 31,925/x
3. Step 3: Cross multiply
   57,075.50x = 78,764.28 × 31,925
4. Step 4: Simplify right side
   57,075.50x = 2,514,549,639
5. Step 5: Solve for x
   x = 2,514,549,639/57,075.50
6. Step 6: Final answer
   x = 44,056.55