Finding the Fourth Proportional to 64,008.72, 88,303.91 and 61,044.12

Step by Step Solution

1. Step 1: Write the proportion equation
   64,008.72 : 88,303.91 = 61,044.12 : x
2. Step 2: Convert to fraction form
   64,008.72/88,303.91 = 61,044.12/x
3. Step 3: Cross multiply
   64,008.72x = 88,303.91 × 61,044.12
4. Step 4: Simplify right side
   64,008.72x = 5,390,434,173.29
5. Step 5: Solve for x
   x = 5,390,434,173.29/64,008.72
6. Step 6: Final answer
   x = 84,214.06