Finding the Fourth Proportional to 64,150.07, 88,479.89 and 47,148.57

Step by Step Solution

1. Step 1: Write the proportion equation
   64,150.07 : 88,479.89 = 47,148.57 : x
2. Step 2: Convert to fraction form
   64,150.07/88,479.89 = 47,148.57/x
3. Step 3: Cross multiply
   64,150.07x = 88,479.89 × 47,148.57
4. Step 4: Simplify right side
   64,150.07x = 4,171,700,051.51
5. Step 5: Solve for x
   x = 4,171,700,051.51/64,150.07
6. Step 6: Final answer
   x = 65,030.33