Finding the Fourth Proportional to 42,976.16, 59,303.28 and 25,072.72

Step by Step Solution

1. Step 1: Write the proportion equation
   42,976.16 : 59,303.28 = 25,072.72 : x
2. Step 2: Convert to fraction form
   42,976.16/59,303.28 = 25,072.72/x
3. Step 3: Cross multiply
   42,976.16x = 59,303.28 × 25,072.72
4. Step 4: Simplify right side
   42,976.16x = 1,486,894,534.52
5. Step 5: Solve for x
   x = 1,486,894,534.52/42,976.16
6. Step 6: Final answer
   x = 34,598.12