Finding the Fourth Proportional to 42,275.71, 58,300.21 and 25,277.20

Step by Step Solution

1. Step 1: Write the proportion equation
   42,275.71 : 58,300.21 = 25,277.20 : x
2. Step 2: Convert to fraction form
   42,275.71/58,300.21 = 25,277.20/x
3. Step 3: Cross multiply
   42,275.71x = 58,300.21 × 25,277.20
4. Step 4: Simplify right side
   42,275.71x = 1,473,666,025.15
5. Step 5: Solve for x
   x = 1,473,666,025.15/42,275.71
6. Step 6: Final answer
   x = 34,858.45