Finding the Fourth Proportional to 64,136.72, 88,536.78 and 49,030.02

Step by Step Solution

1. Step 1: Write the proportion equation
   64,136.72 : 88,536.78 = 49,030.02 : x
2. Step 2: Convert to fraction form
   64,136.72/88,536.78 = 49,030.02/x
3. Step 3: Cross multiply
   64,136.72x = 88,536.78 × 49,030.02
4. Step 4: Simplify right side
   64,136.72x = 4,340,960,094.14
5. Step 5: Solve for x
   x = 4,340,960,094.14/64,136.72
6. Step 6: Final answer
   x = 67,682.91