Finding the Fourth Proportional to 45,386.64, 62,588.88 and 42,762.24

Step by Step Solution

1. Step 1: Write the proportion equation
   45,386.64 : 62,588.88 = 42,762.24 : x
2. Step 2: Convert to fraction form
   45,386.64/62,588.88 = 42,762.24/x
3. Step 3: Cross multiply
   45,386.64x = 62,588.88 × 42,762.24
4. Step 4: Simplify right side
   45,386.64x = 2,676,440,707.89
5. Step 5: Solve for x
   x = 2,676,440,707.89/45,386.64
6. Step 6: Final answer
   x = 58,969.79