Finding the Fourth Proportional to 102,071.22, 153,072.78 and 42,895.86

Step by Step Solution

1. Step 1: Write the proportion equation
   102,071.22 : 153,072.78 = 42,895.86 : x
2. Step 2: Convert to fraction form
   102,071.22/153,072.78 = 42,895.86/x
3. Step 3: Cross multiply
   102,071.22x = 153,072.78 × 42,895.86
4. Step 4: Simplify right side
   102,071.22x = 6,566,188,540.69
5. Step 5: Solve for x
   x = 6,566,188,540.69/102,071.22
6. Step 6: Final answer
   x = 64,329.48