Finding the Fourth Proportional to 64,004.67, 88,260.89 and 42,486.81

Step by Step Solution

1. Step 1: Write the proportion equation
   64,004.67 : 88,260.89 = 42,486.81 : x
2. Step 2: Convert to fraction form
   64,004.67/88,260.89 = 42,486.81/x
3. Step 3: Cross multiply
   64,004.67x = 88,260.89 × 42,486.81
4. Step 4: Simplify right side
   64,004.67x = 3,749,923,663.86
5. Step 5: Solve for x
   x = 3,749,923,663.86/64,004.67
6. Step 6: Final answer
   x = 58,588.28