Finding the Fourth Proportional to 64,127.85, 88,470.56 and 42,627.99

Step by Step Solution

1. Step 1: Write the proportion equation
   64,127.85 : 88,470.56 = 42,627.99 : x
2. Step 2: Convert to fraction form
   64,127.85/88,470.56 = 42,627.99/x
3. Step 3: Cross multiply
   64,127.85x = 88,470.56 × 42,627.99
4. Step 4: Simplify right side
   64,127.85x = 3,771,321,933.83
5. Step 5: Solve for x
   x = 3,771,321,933.83/64,127.85
6. Step 6: Final answer
   x = 58,809.42